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Weather & Climate in Saint Croix, U.S. Virgin Islands
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint Croix has a warm climate with an average annual temperature of 80°F (26°C). Winters average 77°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 258 sunny days per year, above the national average. Annual precipitation totals 42.8 inches. The city sits at an elevation of 285 feet.
Temperature
77°F Jan (25°C)
82°F Jul (28°C)
| Annual Average | 79.5°F |
| 47% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 258 days/yr |
Geography
| Elevation | 285 ft (87 m) |
| Area | 82.9 sq mi (214.7 km²) |
| Population Density | 610/sq mi |
| Coordinates | 17.7275°N, 64.7470°W |
| Timezone | America/St_Thomas |
Precipitation & Snow
Air Quality
Earthquake History
5,922 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.6.
| May 4, 2025 | 88 km NE of Cruz Bay, U.S. Virgin Islands | M5.6 | 147 km | 20 km |
| May 8, 2022 | 84 km NNE of Cruz Bay, U.S. Virgin Islands | M5.5 | 145 km | 25 km |
| Dec 8, 1998 | 95 km NE of Cruz Bay, U.S. Virgin Islands | M5.4 | 142 km | 30 km |
| Jan 24, 2021 | 76 km E of Cruz Bay, U.S. Virgin Islands | M5.4 | 92 km | 94 km |
| Aug 1, 1993 | 68 km SSE of Emajagua, Puerto Rico | M5.3 | 109 km | 25 km |
| Nov 6, 1996 | 75 km NE of Cruz Bay, U.S. Virgin Islands | M5.1 | 132 km | 22 km |
| Apr 13, 2011 | 89 km NE of Cruz Bay, U.S. Virgin Islands | M5.0 | 146 km | 31 km |
| Feb 3, 1990 | 40 km NNE of Cruz Bay, U.S. Virgin Islands | M5.0 | 106 km | 62 km |
| Jan 9, 1990 | 29 km S of Cruz Bay, U.S. Virgin Islands | M5.0 | 38 km | 33 km |
| Feb 2, 2011 | 38 km SW of The Bottom, Bonaire, Saint Eustatius and Saba | M5.0 | 142 km | 161 km |
| Mar 17, 1991 | 71 km N of Cruz Bay, U.S. Virgin Islands | M4.9 | 139 km | 46 km |
| Mar 9, 2021 | 58 km N of Culebra, Puerto Rico | M4.8 | 136 km | 23 km |
| Aug 17, 1993 | 70 km S of Emajagua, Puerto Rico | M4.8 | 115 km | 27 km |
| Apr 10, 2010 | Puerto Rico region | M4.8 | 132 km | 46 km |
| Jan 8, 1994 | 50 km ESE of Cruz Bay, U.S. Virgin Islands | M4.8 | 70 km | 104 km |
| Oct 1, 1990 | 1 km W of Juncos, Puerto Rico | M4.7 | 137 km | 167 km |
| Apr 6, 2018 | 43 km NNE of Cruz Bay, U.S. Virgin Islands | M4.7 | 109 km | 40 km |
| Mar 7, 1996 | 27 km NE of Cruz Bay, U.S. Virgin Islands | M4.7 | 90 km | 78 km |
| May 12, 1996 | Leeward Islands | M4.7 | 127 km | 33 km |
| Aug 13, 2014 | 37 km NNE of Culebra, Puerto Rico | M4.6 | 110 km | 73 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
20 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Erin | Category 5 | 161 mph | 253 km |
| 2023 | Tammy | Category 1 | 86 mph | 224 km |
| 2022 | Fiona | Category 1 | 86 mph | 165 km |
| 2019 | Dorian | Category 1 | 86 mph | 18 km |
| 2017 | Maria | Category 5 | 173 mph | 40 km |
| 2017 | Irma | Category 5 | 178 mph | 93 km |
| 2017 | Jose | Category 4 | 132 mph | 269 km |
| 2014 | Gonzalo | Category 3 | 109 mph | 162 km |
| 2011 | Irene | Category 1 | 81 mph | 133 km |
| 2010 | Earl | Category 4 | 132 mph | 153 km |
| 2008 | Omar | Category 4 | 132 mph | 40 km |
| 2004 | Frances | Category 4 | 144 mph | 268 km |
| 2000 | Debby | Category 1 | 75 mph | 93 km |
| 1999 | Lenny | Category 4 | 155 mph | 36 km |
| 1999 | Jose | Category 1 | 92 mph | 108 km |
| 1998 | Georges | Category 3 | 115 mph | 28 km |
| 1997 | Erika | Category 2 | 86 mph | 300 km |
| 1996 | Bertha | Category 2 | 92 mph | 86 km |
| 1996 | Hortense | Category 1 | 81 mph | 152 km |
| 1995 | Luis | Category 4 | 144 mph | 177 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 15.2 m (50 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1867 | VIRGIN ISLANDS | Earthquake | 15.2 m | 24 | 59 km |
| 1868 | VIRGIN ISLANDS | Earthquake | 1.5 m | — | 56 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Saba (161 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Saba | Stratovolcano | 887 m (2,910 ft) | 1640 | 161 km |
| Quill, The | Stratovolcano | 601 m (1,972 ft) | 250 | 191 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: PUERTO NEGRO (631 acres, 2013).
| Year | Name | Acres Burned | Distance |
| 2013 | PUERTO NEGRO | 631 | 79 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 2.2 in | Coldest |
| February | 77°F (25°C) | 1.7 in | Driest |
| March | 77°F (25°C) | 1.7 in | |
| April | 79°F (26°C) | 2.6 in | |
| May | 80°F (27°C) | 4.2 in | |
| June | 82°F (28°C) | 2.5 in | |
| July | 82°F (28°C) | 2.9 in | |
| August | 82°F (28°C) | 4.4 in | Warmest |
| September | 82°F (28°C) | 5.5 in | |
| October | 81°F (27°C) | 5.3 in | |
| November | 79°F (26°C) | 5.8 in | Wettest |
| December | 77°F (25°C) | 4.1 in |
Saint Croix has a seasonal temperature swing of 6°F / from 77°F in January to 82°F in August. Total annual precipitation is 42.8 inches, with November being the wettest month (5.8") and February the driest (1.7").