{ "what_it_is": "Seasonal weather risk for yacht charters by month: official season text (NOAA National Hurricane Center, national meteorological services, Thai Land Development Department, Météo-France; the meltemi from a peer-reviewed study) next to our counts of tropical storm and hurricane passes (NOAA HURDAT2) and strong-wind days and rainfall (NASA POWER). The same answers as https://catamaranindex.com/weather-risk/ . Counts are our calculation, historical frequencies, not a forecast. Per destination (all 10): api_url.", "checked": "2026-10-29", "method": { "storms": "Storm passes: from NOAA's HURDAT2 best-track file (hurdat2-1851-2025-092326.txt) we take every tropical storm or hurricane (HURDAT2 status TS or HU) whose track starts in 1991–2020, NHC's 30-year climate period. We interpolate the track in a straight line every 60 minutes between fixes (not across gaps over 12 hours) and count a storm once, in the month it first came within 100 nm of our reference point. The 100 nm radius, the interpolation and the month rule are our choices. \"Storm-years\" are the years out of 30 with at least one pass in that month. Our calculation.", "wind": "Strong-wind days: from NASA POWER's daily WS10M_MAX (the highest hourly mean 10 m wind of the day in one grid cell), converted to knots (1 m/s = 3600/1852 kn), we count the days per month at or above 17 kn (Beaufort force 5, fresh breeze) and 22 kn (force 6, strong breeze), the lower limits on the Met Office scale, as a mean per month over 2016–2025. Direction shares use the day's mean wind direction (WD10M) in 45° bins. Our calculation.", "rain": "Rain: NASA POWER's monthly corrected precipitation (PRECTOTCORR, mm/day) times the days in each month, averaged over 2016–2025, whole millimetres. Our calculation, not a rain-gauge normal.", "calendar": "Calendar: a month is marked if any part of it falls in the source's window (our mapping). \"Mid-July\", \"the cold part of the year\" and similar are the source's words." }, "caveats": [ "Storm passes are historical frequencies for 1991–2020 within 100 nm of one reference point (our choice of radius); they are not a forecast, and a pass within 100 nm does not mean storm-force winds at the anchorage.", "Strong-wind days use NASA POWER's highest hourly mean wind of the day in a ½° × ⅝° grid cell (about 50 km across); real gusts and local winds (funnelling between islands, the bora at the foot of the mountains) are stronger than the cell shows.", "Some grid cells include land (elevation from NASA POWER: 212 m at Split, 138 m at Lefkada, 3 m at Road Town, Tortola, 0 m at Marsh Harbour, Abaco, 546 m at Göcek, 187 m at Portisco, Sardinia, 19 m at Ibiza Town, 11 m at Ao Chalong, Phuket, 4 m at Raiatea, 7 m at Placencia, 144 m at Dubrovnik, 21 m at Ermoupoli, Syros), so their winds are lower than at sea.", "Wind direction is the cell's daily mean direction; north-easterly days are our proxy for the bora and northerly days for the meltemi, not observed events.", "Rainfall is NASA POWER's corrected precipitation for the cell, not a rain-gauge normal from the national weather service.", "Official dates (\"mid-July\", \"the cold part of the year\") are quoted; our month mapping in the calendar is ours." ], "status_legend": { "official": "Read in an official text: government, park authority, ministry or official tourism board.", "secondary": "From a newspaper, NGO, guide or tour operator; not official.", "not_verified": "We could not confirm it. We leave it open rather than guess." }, "calendar": [ { "destination": "croatia", "hazard": "bora-jugo", "months": [ { "month": 1, "name": "January", "text": "–", "codes": [] }, { "month": 2, "name": "February", "text": "–", "codes": [] }, { "month": 3, "name": "March", "text": "–", "codes": [] }, { "month": 4, "name": "April", "text": "–", "codes": [] }, { "month": 5, "name": "May", "text": "–", "codes": [] }, { "month": 6, "name": "June", "text": "–", "codes": [] }, { "month": 7, "name": "July", "text": "–", "codes": [] }, { "month": 8, "name": "August", "text": "–", "codes": [] }, { "month": 9, "name": "September", "text": "–", "codes": [] }, { "month": 10, "name": "October", "text": "–", "codes": [] }, { "month": 11, "name": "November", "text": "–", "codes": [] }, { "month": 12, "name": "December", "text": "–", "codes": [] } ] }, { "destination": "greece", "hazard": "meltemi", "months": [ { "month": 1, "name": "January", "text": "–", "codes": [] }, { "month": 2, "name": "February", "text": "–", "codes": [] }, { "month": 3, "name": "March", "text": "–", "codes": [] }, { "month": 4, "name": "April", "text": "–", "codes": [] }, { "month": 5, "name": "May", "text": "–", "codes": [] }, { "month": 6, "name": "June", "text": "–", "codes": [] }, { "month": 7, "name": "July", "text": "Meltemi peak", "codes": [ "meltemi-peak" ] }, { "month": 8, "name": "August", "text": "Meltemi peak", "codes": [ "meltemi-peak" ] }, { "month": 9, "name": "September", "text": "–", "codes": [] }, { "month": 10, "name": "October", "text": "–", "codes": [] }, { "month": 11, "name": "November", "text": "–", "codes": [] }, { "month": 12, "name": "December", "text": "–", "codes": [] } ] }, { "destination": "bvi", "hazard": "hurricane", "months": [ { "month": 1, "name": "January", "text": "–", "codes": [] }, { "month": 2, "name": "February", "text": "–", "codes": [] }, { "month": 3, "name": "March", "text": "–", "codes": [] }, { "month": 4, "name": "April", "text": "–", "codes": [] }, { "month": 5, "name": "May", "text": "–", "codes": [] }, { "month": 6, "name": "June", "text": "Hurricane season", "codes": [ "hurricane" ] }, { "month": 7, "name": "July", "text": "Hurricane season", "codes": [ "hurricane" ] }, { "month": 8, "name": "August", "text": "Peak", "codes": [ "hurricane-peak" ] }, { "month": 9, "name": "September", "text": "Peak", "codes": [ "hurricane-peak" ] }, { "month": 10, "name": "October", "text": "Peak", "codes": [ "hurricane-peak" ] }, { "month": 11, "name": "November", "text": "Hurricane season", "codes": [ "hurricane" ] }, { "month": 12, "name": "December", "text": "–", "codes": [] } ] }, { "destination": "bahamas", "hazard": "hurricane", "months": [ { "month": 1, "name": "January", "text": "–", "codes": [] }, { "month": 2, "name": "February", "text": "–", "codes": [] }, { "month": 3, "name": "March", "text": "–", "codes": [] }, { "month": 4, "name": "April", "text": "–", "codes": [] }, { "month": 5, "name": "May", "text": "–", "codes": [] }, { "month": 6, "name": "June", "text": "Hurricane season", "codes": [ "hurricane" ] }, { "month": 7, "name": "July", "text": "Hurricane season", "codes": [ "hurricane" ] }, { "month": 8, "name": "August", "text": "Peak", "codes": [ "hurricane-peak" ] }, { "month": 9, "name": "September", "text": "Peak", "codes": [ "hurricane-peak" ] }, { "month": 10, "name": "October", "text": "Peak", "codes": [ "hurricane-peak" ] }, { "month": 11, "name": "November", "text": "Hurricane season", "codes": [ "hurricane" ] }, { "month": 12, "name": "December", "text": "–", "codes": [] } ] }, { "destination": "turkey", "hazard": "none-verified", "months": [ { "month": 1, "name": "January", "text": "–", "codes": [] }, { "month": 2, "name": "February", "text": "–", "codes": [] }, { "month": 3, "name": "March", "text": "–", "codes": [] }, { "month": 4, "name": "April", "text": "–", "codes": [] }, { "month": 5, "name": "May", "text": "–", "codes": [] }, { "month": 6, "name": "June", "text": "–", "codes": [] }, { "month": 7, "name": "July", "text": "–", "codes": [] }, { "month": 8, "name": "August", "text": "–", "codes": [] }, { "month": 9, "name": "September", "text": "–", "codes": [] }, { "month": 10, "name": "October", "text": "–", "codes": [] }, { "month": 11, "name": "November", "text": "–", "codes": [] }, { "month": 12, "name": "December", "text": "–", "codes": [] } ] }, { "destination": "italy", "hazard": "none-verified", "months": [ { "month": 1, "name": "January", "text": "–", "codes": [] }, { "month": 2, "name": "February", "text": "–", "codes": [] }, { "month": 3, "name": "March", "text": "–", "codes": [] }, { "month": 4, "name": "April", "text": "–", "codes": [] }, { "month": 5, "name": "May", "text": "–", "codes": [] }, { "month": 6, "name": "June", "text": "–", "codes": [] }, { "month": 7, "name": "July", "text": "–", "codes": [] }, { "month": 8, "name": "August", "text": "–", "codes": [] }, { "month": 9, "name": "September", "text": "–", "codes": [] }, { "month": 10, "name": "October", "text": "–", "codes": [] }, { "month": 11, "name": "November", "text": "–", "codes": [] }, { "month": 12, "name": "December", "text": "–", "codes": [] } ] }, { "destination": "balearics", "hazard": "none-verified", "months": [ { "month": 1, "name": "January", "text": "–", "codes": [] }, { "month": 2, "name": "February", "text": "–", "codes": [] }, { "month": 3, "name": "March", "text": "–", "codes": [] }, { "month": 4, "name": "April", "text": "–", "codes": [] }, { "month": 5, "name": "May", "text": "–", "codes": [] }, { "month": 6, "name": "June", "text": "–", "codes": [] }, { "month": 7, "name": "July", "text": "–", "codes": [] }, { "month": 8, "name": "August", "text": "–", "codes": [] }, { "month": 9, "name": "September", "text": "–", "codes": [] }, { "month": 10, "name": "October", "text": "–", "codes": [] }, { "month": 11, "name": "November", "text": "–", "codes": [] }, { "month": 12, "name": "December", "text": "–", "codes": [] } ] }, { "destination": "thailand", "hazard": "monsoon", "months": [ { "month": 1, "name": "January", "text": "NE monsoon", "codes": [ "monsoon-ne" ] }, { "month": 2, "name": "February", "text": "NE monsoon", "codes": [ "monsoon-ne" ] }, { "month": 3, "name": "March", "text": "–", "codes": [] }, { "month": 4, "name": "April", "text": "–", "codes": [] }, { "month": 5, "name": "May", "text": "SW monsoon", "codes": [ "monsoon-sw" ] }, { "month": 6, "name": "June", "text": "SW monsoon", "codes": [ "monsoon-sw" ] }, { "month": 7, "name": "July", "text": "SW monsoon", "codes": [ "monsoon-sw" ] }, { "month": 8, "name": "August", "text": "SW monsoon", "codes": [ "monsoon-sw" ] }, { "month": 9, "name": "September", "text": "SW monsoon", "codes": [ "monsoon-sw" ] }, { "month": 10, "name": "October", "text": "SW → NE monsoon", "codes": [ "monsoon-sw", "monsoon-ne" ] }, { "month": 11, "name": "November", "text": "NE monsoon", "codes": [ "monsoon-ne" ] }, { "month": 12, "name": "December", "text": "NE monsoon", "codes": [ "monsoon-ne" ] } ] }, { "destination": "french-polynesia", "hazard": "wet-season", "months": [ { "month": 1, "name": "January", "text": "Wet season", "codes": [ "wet" ] }, { "month": 2, "name": "February", "text": "Wet season", "codes": [ "wet" ] }, { "month": 3, "name": "March", "text": "Wet season", "codes": [ "wet" ] }, { "month": 4, "name": "April", "text": "Wet season", "codes": [ "wet" ] }, { "month": 5, "name": "May", "text": "–", "codes": [] }, { "month": 6, "name": "June", "text": "–", "codes": [] }, { "month": 7, "name": "July", "text": "–", "codes": [] }, { "month": 8, "name": "August", "text": "–", "codes": [] }, { "month": 9, "name": "September", "text": "–", "codes": [] }, { "month": 10, "name": "October", "text": "–", "codes": [] }, { "month": 11, "name": "November", "text": "Wet season", "codes": [ "wet" ] }, { "month": 12, "name": "December", "text": "Wet season", "codes": [ "wet" ] } ] }, { "destination": "belize", "hazard": "hurricane", "months": [ { "month": 1, "name": "January", "text": "–", "codes": [] }, { "month": 2, "name": "February", "text": "–", "codes": [] }, { "month": 3, "name": "March", "text": "–", "codes": [] }, { "month": 4, "name": "April", "text": "–", "codes": [] }, { "month": 5, "name": "May", "text": "–", "codes": [] }, { "month": 6, "name": "June", "text": "Hurricane season · rainy", "codes": [ "hurricane", "rainy-bz" ] }, { "month": 7, "name": "July", "text": "Hurricane season · rainy", "codes": [ "hurricane", "rainy-bz" ] }, { "month": 8, "name": "August", "text": "Peak · rainy", "codes": [ "hurricane-peak", "rainy-bz" ] }, { "month": 9, "name": "September", "text": "Peak · rainy", "codes": [ "hurricane-peak", "rainy-bz" ] }, { "month": 10, "name": "October", "text": "Peak · rainy", "codes": [ "hurricane-peak", "rainy-bz" ] }, { "month": 11, "name": "November", "text": "Hurricane season · rainy", "codes": [ "hurricane", "rainy-bz" ] }, { "month": 12, "name": "December", "text": "–", "codes": [] } ] } ], "storms": [ { "destination": "bvi", "place": "Road Town, Tortola", "storm_years": [ 0, 0, 0, 0, 0, 0, 1, 9, 6, 4, 1, 0 ], "hurricane_years": [ 0, 0, 0, 0, 0, 0, 1, 4, 3, 3, 1, 0 ], "of_years": 30, "period": "1991–2020", "radius_nm": 100 }, { "destination": "bahamas", "place": "Marsh Harbour, Abaco", "storm_years": [ 0, 0, 0, 0, 0, 0, 3, 6, 4, 2, 3, 0 ], "hurricane_years": [ 0, 0, 0, 0, 0, 0, 1, 4, 3, 2, 2, 0 ], "of_years": 30, "period": "1991–2020", "radius_nm": 100 }, { "destination": "belize", "place": "Placencia", "storm_years": [ 0, 0, 0, 0, 1, 1, 0, 2, 3, 4, 0, 0 ], "hurricane_years": [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 3, 0, 0 ], "of_years": 30, "period": "1991–2020", "radius_nm": 100 } ], "wind_f6": [ { "point": "croatia", "place": "Split", "force6_days_by_month": [ 2.3, 3.4, 2.1, 1.9, 0.5, 0.2, 0.2, 0, 0.6, 1.5, 3.7, 2.9 ] }, { "point": "greece", "place": "Lefkada", "force6_days_by_month": [ 0.7, 0.3, 0.6, 0.2, 0, 0, 0, 0, 0, 0.1, 0.8, 0.2 ] }, { "point": "bvi", "place": "Road Town, Tortola", "force6_days_by_month": [ 1.1, 0.5, 0.2, 0.3, 0, 0.1, 0.4, 0.7, 1.6, 0.2, 0.2, 0.5 ] }, { "point": "bahamas", "place": "Marsh Harbour, Abaco", "force6_days_by_month": [ 3.9, 2.6, 2.6, 0.6, 0.8, 0.2, 0, 0.5, 1.8, 1.7, 2.5, 2.3 ] }, { "point": "turkey", "place": "Göcek", "force6_days_by_month": [ 1.3, 0.7, 0.8, 0.2, 0.2, 0.2, 0, 0, 0.1, 0, 0.3, 0.4 ] }, { "point": "italy", "place": "Portisco, Sardinia", "force6_days_by_month": [ 6, 3.4, 4.1, 2.9, 1.9, 0.7, 1.2, 1.4, 1.6, 2.7, 3.9, 4.7 ] }, { "point": "balearics", "place": "Ibiza Town", "force6_days_by_month": [ 6.5, 3.1, 5.3, 2.8, 1, 0.2, 0.7, 0.4, 1.2, 2.2, 5.9, 5.5 ] }, { "point": "thailand", "place": "Ao Chalong, Phuket", "force6_days_by_month": [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] }, { "point": "french-polynesia", "place": "Raiatea", "force6_days_by_month": [ 0.9, 1.5, 0.3, 0, 0.2, 0.3, 0.6, 0.8, 0.6, 0.4, 0.6, 0.9 ] }, { "point": "belize", "place": "Placencia", "force6_days_by_month": [ 0.1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0.2, 0 ] }, { "point": "croatia-dubrovnik", "place": "Dubrovnik", "force6_days_by_month": [ 3.7, 3.9, 3.2, 0.9, 0.2, 0.4, 0.3, 0, 0.5, 1.6, 4.1, 4.4 ] }, { "point": "greece-cyclades", "place": "Ermoupoli, Syros", "force6_days_by_month": [ 9.6, 9.3, 7.4, 3.7, 1.9, 1.4, 4.9, 4.7, 4.7, 3.9, 4.6, 6.9 ] } ], "rain": [ { "point": "bvi", "place": "Road Town, Tortola", "rain_mm_by_month": [ 27, 27, 22, 36, 51, 45, 55, 70, 81, 106, 99, 32 ] }, { "point": "bahamas", "place": "Marsh Harbour, Abaco", "rain_mm_by_month": [ 54, 29, 43, 53, 100, 109, 75, 77, 127, 102, 56, 48 ] }, { "point": "belize", "place": "Placencia", "rain_mm_by_month": [ 180, 86, 92, 48, 137, 268, 215, 228, 247, 303, 352, 189 ] }, { "point": "thailand", "place": "Ao Chalong, Phuket", "rain_mm_by_month": [ 104, 52, 71, 150, 318, 266, 283, 326, 360, 345, 308, 214 ] }, { "point": "french-polynesia", "place": "Raiatea", "rain_mm_by_month": [ 188, 163, 106, 117, 79, 83, 50, 48, 48, 84, 123, 210 ] } ], "destinations": [ { "destination": "croatia", "name": "Croatia", "hazard": "bora-jugo", "has_page": true, "answer": "Croatia's two strong winds, the bora (north-easterly, gusty) and the jugo (southerly), \"are more frequent and stronger in the cold part of the year\", according to Croatia's national meteorological service (DHMZ); in summer the usual pattern is a daytime sea breeze and a north-westerly in the open sea. At our Split point, days reaching force 6 (22 kn or more) average 3.7 in November and 0.2 in July (our calculation from NASA POWER, 2016–2025), so a July or August charter rarely meets them, though DHMZ warns the summer bura can still disrupt sea traffic.", "canonical_url": "https://catamaranindex.com/weather-risk/croatia/", "api_url": "https://catamaranindex.com/api/weather-risk/croatia.json", "book_url": "https://catamaranindex.com/go/samboat?dest=croatia&pos=api" }, { "destination": "greece", "name": "Greece", "hazard": "meltemi", "has_page": true, "answer": "The meltemi (the Etesian winds) is a persistent summer northerly over the Aegean, and its outbreaks are most frequent from mid-July to mid-August (peer-reviewed study, Tyrlis & Lelieveld 2013); at our Syros point in the Cyclades, days reaching force 6 (22 kn or more) average 4.9 in July and 4.7 in August, against 0.0 and 0.0 at Lefkada in the Ionian (our calculation from NASA POWER, 2016–2025). For lighter summer sailing the Ionian is the calmer choice in this data; the numbers are grid-cell means, not gusts, so plan sheltered alternatives and ask your base about the forecast each morning.", "canonical_url": "https://catamaranindex.com/weather-risk/greece/", "api_url": "https://catamaranindex.com/api/weather-risk/greece.json", "book_url": "https://catamaranindex.com/go/samboat?dest=greece&pos=api" }, { "destination": "bvi", "name": "British Virgin Islands", "hazard": "hurricane", "has_page": true, "answer": "The BVI's hurricane risk runs with the Atlantic hurricane season, 1 June to 30 November, with most activity between mid-August and mid-October (NOAA); in 1991–2020 a tropical storm or hurricane passed within 100 nm of Road Town, Tortola in 9 of 30 Augusts, and none in December to May (our count from NOAA's HURDAT2). If you book June to November, read your charter contract's hurricane clause and consider travel insurance that covers named storms; this is a historical frequency, not a forecast.", "canonical_url": "https://catamaranindex.com/weather-risk/bvi/", "api_url": "https://catamaranindex.com/api/weather-risk/bvi.json", "book_url": "https://catamaranindex.com/go/samboat?dest=bvi&pos=api" }, { "destination": "bahamas", "name": "Bahamas", "hazard": "hurricane", "has_page": true, "answer": "The Bahamas' hurricane risk runs with the Atlantic hurricane season, 1 June to 30 November, with most activity between mid-August and mid-October (NOAA); in 1991–2020 a tropical storm or hurricane passed within 100 nm of Marsh Harbour, Abaco in 6 of 30 Augusts, and none in December to May (our count from NOAA's HURDAT2). If you book June to November, read your charter contract's hurricane clause and consider travel insurance that covers named storms; this is a historical frequency, not a forecast.", "canonical_url": "https://catamaranindex.com/weather-risk/bahamas/", "api_url": "https://catamaranindex.com/api/weather-risk/bahamas.json", "book_url": "https://catamaranindex.com/go/samboat?dest=bahamas&pos=api" }, { "destination": "turkey", "name": "Turkey", "hazard": "none-verified", "has_page": false, "answer": "We have no official source naming a seasonal storm or wind hazard for Turkey; at our Göcek point, days reaching force 6 average 1.3 in January and 0.0 in July (our calculation from NASA POWER, 2016–2025). Monthly mean wind is on our Turkey page.", "canonical_url": "https://catamaranindex.com/turkey/#weather", "api_url": "https://catamaranindex.com/api/weather-risk/turkey.json", "book_url": "https://catamaranindex.com/go/samboat?dest=turkey&pos=api" }, { "destination": "italy", "name": "Italy", "hazard": "none-verified", "has_page": false, "answer": "We have no official source naming a seasonal storm or wind hazard for Italy; at our Portisco, Sardinia point, days reaching force 6 average 6.0 in January and 1.2 in July (our calculation from NASA POWER, 2016–2025). Monthly mean wind is on our Italy page.", "canonical_url": "https://catamaranindex.com/italy/#weather", "api_url": "https://catamaranindex.com/api/weather-risk/italy.json", "book_url": "https://catamaranindex.com/go/samboat?dest=italy&pos=api" }, { "destination": "balearics", "name": "Balearic Islands", "hazard": "none-verified", "has_page": false, "answer": "We have no official source naming a seasonal storm or wind hazard for the Balearic Islands; at our Ibiza Town point, days reaching force 6 average 6.5 in January and 0.7 in July (our calculation from NASA POWER, 2016–2025). Monthly mean wind is on our Balearic Islands page.", "canonical_url": "https://catamaranindex.com/balearics/#weather", "api_url": "https://catamaranindex.com/api/weather-risk/balearics.json", "book_url": "https://catamaranindex.com/go/samboat?dest=mallorca&pos=api" }, { "destination": "thailand", "name": "Thailand", "hazard": "monsoon", "has_page": true, "answer": "On Thailand's Andaman coast (Phuket), the rainy southwest monsoon usually runs from mid-May to mid-October and the northeast monsoon from mid-October to mid-February, according to Thailand's Land Development Department; our NASA POWER calculation at Ao Chalong gives about 266–360 mm of rain a month from June to September against 52 mm in February. Charter prices are lower in the monsoon months (see best time to charter in Thailand for the price data); ask your base which anchorages stay sheltered in a south-westerly, and expect some days in port.", "canonical_url": "https://catamaranindex.com/weather-risk/thailand/", "api_url": "https://catamaranindex.com/api/weather-risk/thailand.json", "book_url": "https://catamaranindex.com/go/samboat?dest=thailand&pos=api" }, { "destination": "french-polynesia", "name": "French Polynesia", "hazard": "wet-season", "has_page": true, "answer": "French Polynesia's warm, wetter season runs November to April and its cooler, drier season May to October (Météo-France), and in the Society Islands the rainy season's wettest months are December and January; at Raiatea our NASA POWER calculation gives about 210 mm in December against 48 mm in August. For 2026–27, Météo-France's outlook of 26 October 2026 says El Niño has reached the \"very strong\" stage and lists the Society Islands among the areas with a high risk of at least one named tropical system between November 2026 and April 2027.", "canonical_url": "https://catamaranindex.com/weather-risk/french-polynesia/", "api_url": "https://catamaranindex.com/api/weather-risk/french-polynesia.json", "book_url": "https://catamaranindex.com/go/samboat?dest=french-polynesia&pos=api" }, { "destination": "belize", "name": "Belize", "hazard": "hurricane", "has_page": true, "answer": "Belize's rainy season runs June to November and its tropical storms and hurricanes peak in September and October, according to the National Meteorological Service of Belize; in 1991–2020 a tropical storm or hurricane passed within 100 nm of Placencia in 4 of 30 Octobers (our count from NOAA's HURDAT2). The dry season is November to May, with cold fronts most likely in December to February (about once every 10 days, NMS); April is the driest month.", "canonical_url": "https://catamaranindex.com/weather-risk/belize/", "api_url": "https://catamaranindex.com/api/weather-risk/belize.json", "book_url": "https://catamaranindex.com/go/samboat?dest=belize&pos=api" } ], "attribution": "Cite \"Catamaran Index\" with a link to the canonical_url of the page the figure comes from, and name the original source listed with it.", "affiliate_note": "book_url links go through /go/samboat, an affiliate link: Catamaran Index may earn a commission on bookings, at no extra cost to the traveller. It never changes the data." }