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Weather & Climate in Frenchman’s Fort, Cayman Islands
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Frenchman’s Fort has a warm climate with an average annual temperature of 80°F (27°C). Winters average 76°F in January while summers reach 84°F in July / relatively mild seasonal variation. The area gets 249 sunny days per year, above the national average. Annual precipitation totals 48.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 16 feet.
Temperature
76°F Jan (25°C)
84°F Jul (29°C)
| Annual Average | 80.2°F |
| 49% above US avg | |
| January Average | 76°F (25°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 249 days/yr |
Geography
| Elevation | 16 ft (5 m) |
| Area | 18.0 sq mi (46.5 km²) |
| Population Density | 30/sq mi |
| Coordinates | 19.6940°N, 79.8791°W |
| Timezone | America/Cayman |
Precipitation & Snow
Air Quality
Earthquake History
44 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.7.
| Jan 28, 2020 | 123 km NNW of Lucea, Jamaica | M7.7 | 122 km | 15 km |
| Feb 4, 2007 | 108 km NNW of Lucea, Jamaica | M6.2 | 147 km | 10 km |
| Jan 28, 2020 | 55 km SE of East End, Cayman Islands | M6.1 | 123 km | 10 km |
| Jan 19, 2010 | 46 km SE of East End, Cayman Islands | M5.9 | 124 km | 10 km |
| Aug 26, 1991 | 45 km SSE of East End, Cayman Islands | M5.8 | 133 km | 10 km |
| Jun 27, 1992 | 66 km ESE of East End, Cayman Islands | M5.6 | 110 km | 10 km |
| Jan 28, 2020 | 40 km SSE of East End, Cayman Islands | M5.4 | 134 km | 10 km |
| Jan 28, 2020 | 34 km SE of East End, Cayman Islands | M4.9 | 129 km | 10 km |
| Jan 29, 2020 | 114 km NNW of Lucea, Jamaica | M4.9 | 132 km | 10 km |
| Jan 30, 2020 | 43 km SSE of East End, Cayman Islands | M4.7 | 141 km | 10 km |
| Jan 28, 2020 | 138 km NW of Lucea, Jamaica | M4.7 | 89 km | 10 km |
| Mar 11, 2008 | 74 km ESE of East End, Cayman Islands | M4.6 | 87 km | 10 km |
| May 5, 2024 | 54 km SE of East End, Cayman Islands | M4.5 | 116 km | 10 km |
| Jan 28, 2020 | 68 km SE of East End, Cayman Islands | M4.5 | 118 km | 10 km |
| Jan 29, 2020 | 48 km SE of East End, Cayman Islands | M4.5 | 118 km | 10 km |
| Jan 28, 2020 | 41 km SE of East End, Cayman Islands | M4.5 | 125 km | 12 km |
| Mar 22, 2020 | 49 km SE of East End, Cayman Islands | M4.5 | 131 km | 10 km |
| Jan 29, 2020 | 48 km SSE of East End, Cayman Islands | M4.5 | 136 km | 10 km |
| Jan 28, 2020 | 50 km SE of East End, Cayman Islands | M4.4 | 128 km | 10 km |
| Jan 5, 2021 | 153 km E of East End, Cayman Islands | M4.4 | 62 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
21 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Melissa | Category 5 | 190 mph | 258 km |
| 2024 | Beryl | Category 4 | 132 mph | 156 km |
| 2024 | Rafael | Category 3 | 115 mph | 35 km |
| 2022 | Ian | Category 1 | 81 mph | 287 km |
| 2021 | Grace | Category 1 | 75 mph | 179 km |
| 2020 | Delta | Category 3 | 115 mph | 296 km |
| 2008 | Paloma | Category 4 | 144 mph | 16 km |
| 2008 | Gustav | Category 4 | 144 mph | 56 km |
| 2008 | Ike | Category 2 | 98 mph | 180 km |
| 2007 | Dean | Category 4 | 150 mph | 233 km |
| 2005 | Emily | Category 5 | 161 mph | 259 km |
| 2005 | Dennis | Category 4 | 150 mph | 136 km |
| 2004 | Ivan | Category 5 | 167 mph | 154 km |
| 2004 | Charley | Category 2 | 104 mph | 102 km |
| 2002 | Lili | Category 2 | 86 mph | 8 km |
| 2002 | Isidore | Category 2 | 86 mph | 206 km |
| 2001 | Michelle | Category 4 | 138 mph | 279 km |
| 2001 | Iris | Category 2 | 104 mph | 255 km |
| 1988 | Gilbert | Category 5 | 161 mph | 133 km |
| 1981 | Katrina | Category 1 | 86 mph | 71 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 0.1 m (0 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2020 | OFF SE COAST OF CUBA | Earthquake | 0.1 m | — | 122 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (25°C) | 1.2 in | Coldest |
| February | 76°F (25°C) | 1.3 in | |
| March | 78°F (26°C) | 1.2 in | |
| April | 80°F (27°C) | 2.4 in | |
| May | 82°F (28°C) | 6.2 in | |
| June | 83°F (28°C) | 7.3 in | Wettest |
| July | 84°F (29°C) | 5.9 in | Warmest |
| August | 84°F (29°C) | 5.9 in | |
| September | 83°F (28°C) | 6.4 in | |
| October | 81°F (27°C) | 6.9 in | |
| November | 79°F (26°C) | 2.4 in | |
| December | 77°F (25°C) | 0.9 in | Driest |
Frenchman’s Fort has a seasonal temperature swing of 8°F / from 76°F in January to 84°F in July. Total annual precipitation is 48.0 inches, with June being the wettest month (7.3") and December the driest (0.9").