Saint Croix Climate by Month
Saint Croix, Saint Croix Island, U.S. Virgin Islands
Warm all year, with rain spread through the year.
The climate in Saint Croix is warm all year, with rain spread through the year. Afternoon highs range from 83°F (29°C) in January to 89°F (32°C) in August, and February nights average 70°F (21°C). About 42 in (1063 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 89°F(32°C)
- Average high, August
- Coldest nights
- 70°F(21°C)
- Average low, February
- Rain per year
- 42 in(1063 mm)
- No clear rainy season
- Humidity
- 75%
- Sunniest: July
Best and worst months in Saint Croix
Best for weatherJanuary to March are the best time for weather in Saint Croix: highs near 84°F (29°C) and about 1.8 in (45 mm) of rain a month.
Least pleasantAugust and September are the least pleasant; September is the hottest, with highs of 89°F (32°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in February.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Saint Croix weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 83°F(29°C) | 71°F(21°C) | 2.4 in(62 mm) | 76% | 4.5 |
| FebFebruaryBest | 84°F(29°C) | 70°F(21°C) | 1.4 in(36 mm) | 72% | 5.2 |
| MarMarchBest | 85°F(29°C) | 71°F(22°C) | 1.5 in(38 mm) | 70% | 5.7 |
| AprApril | 86°F(30°C) | 73°F(23°C) | 2.4 in(61 mm) | 73% | 6.1 |
| MayMay | 87°F(31°C) | 74°F(24°C) | 3.9 in(98 mm) | 76% | 6.0 |
| JunJune | 89°F(32°C) | 76°F(25°C) | 2.3 in(58 mm) | 74% | 6.1 |
| JulJuly | 89°F(32°C) | 76°F(25°C) | 3.2 in(81 mm) | 73% | 6.1 |
| AugAugust | 89°F(32°C) | 76°F(25°C) | 4.7 in(119 mm) | 76% | 6.1 |
| SepSeptember | 89°F(32°C) | 76°F(24°C) | 5.6 in(143 mm) | 77% | 5.5 |
| OctOctober | 89°F(31°C) | 75°F(24°C) | 4.7 in(120 mm) | 76% | 5.2 |
| NovNovember | 87°F(30°C) | 73°F(23°C) | 5.7 in(144 mm) | 78% | 4.5 |
| DecDecember | 84°F(29°C) | 72°F(22°C) | 4.1 in(103 mm) | 76% | 4.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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