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Weather & Climate in Treasure Cay, Bahamas
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Treasure Cay has a warm climate with an average annual temperature of 76°F (24°C). Winters average 68°F in January while summers reach 83°F in July / relatively mild seasonal variation. The area gets 239 sunny days per year, above the national average. Annual precipitation totals 53.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 20 feet.
Temperature
68°F Jan (20°C)
83°F Jul (28°C)
| Annual Average | 75.9°F |
| 41% above US avg | |
| January Average | 68°F (20°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 239 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 534.2 sq mi (1,383.7 km²) |
| Population Density | 2/sq mi |
| Coordinates | 26.6769°N, 77.2858°W |
| Timezone | America/Nassau |
Precipitation & Snow
Air Quality
Hurricane History
24 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Imelda | Category 1 | 81 mph | 250 km |
| 2022 | Nicole | Category 1 | 75 mph | 91 km |
| 2020 | Isaias | Category 1 | 81 mph | 242 km |
| 2019 | Dorian | Category 5 | 184 mph | 23 km |
| 2019 | Humberto | Category 1 | 75 mph | 285 km |
| 2016 | Matthew | Category 4 | 138 mph | 149 km |
| 2012 | Sandy | Category 2 | 86 mph | 19 km |
| 2011 | Irene | Category 2 | 109 mph | 21 km |
| 2007 | Noel | Category 1 | 81 mph | 84 km |
| 2005 | Wilma | Category 3 | 121 mph | 210 km |
| 2005 | Katrina | Category 1 | 81 mph | 268 km |
| 2005 | Ophelia | Category 1 | 75 mph | 292 km |
| 2004 | Jeanne | Category 3 | 121 mph | 3 km |
| 2004 | Frances | Category 3 | 127 mph | 67 km |
| 2001 | Michelle | Category 1 | 92 mph | 167 km |
| 1999 | Floyd | Category 4 | 132 mph | 9 km |
| 1999 | Dennis | Category 2 | 104 mph | 41 km |
| 1999 | Irene | Category 1 | 75 mph | 290 km |
| 1996 | Fran | Category 3 | 121 mph | 210 km |
| 1996 | Bertha | Category 1 | 92 mph | 123 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 68°F (20°C) | 2.7 in | Coldest |
| February | 69°F (20°C) | 2.9 in | |
| March | 72°F (22°C) | 2.4 in | Driest |
| April | 75°F (24°C) | 2.5 in | |
| May | 78°F (25°C) | 5.2 in | |
| June | 81°F (27°C) | 7.5 in | |
| July | 83°F (28°C) | 5.2 in | |
| August | 83°F (29°C) | 5.5 in | Warmest |
| September | 82°F (28°C) | 7.8 in | Wettest |
| October | 78°F (26°C) | 6.3 in | |
| November | 74°F (23°C) | 2.9 in | |
| December | 71°F (21°C) | 2.7 in |
Treasure Cay has a seasonal temperature swing of 16°F / from 68°F in January to 83°F in August. Total annual precipitation is 53.6 inches, with September being the wettest month (7.8") and March the driest (2.4").