Temperature
Warm by day, warm at night.
83°Ftypical August high
Typical range
August climate
August in St. Thomas
US Virgin Islands · Caribbean
Warm days and some sun. Humid air is the main drawback.
Some tradeoffs
Early to mid
Daytime high
83°F
Lows around 80°F
Rain
Rain most days
Sun
11.5 h/day
Air feel
Very humid
Sea temp
84°F
Great for swimming
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days. About 18 wet days, more than in most months.
58%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
11.7 hAugust sunshine
Heat & humidity by month
Very humid air is a major factor this month.
54%August Heat feel
Easy airWarm airHumid airVery humid air
Hourly temperature pattern
In August, afternoons feel about 84° and nights feel near 82°.
ComfortableWarmHotNight hours
Clear sky
Partly cloudy skies this month.
47%August Clear sky
Clear skyCloud
Wind pattern
August's typical breeze keeps the air from feeling as stagnant.
15 mphAugust Breezy
Sea temperature
84°FAugust sea temp
More detailIncludes daypart comfort
Typical August day
August stays around 82°F through the day and night, with little temperature relief.
Avg temp Typical range
Morning81°F
Feels 83°F
Rain30%
Cloud52%
Humid airVery high
Sun intensityModerate
Midday82°F
Feels 84°F
Rain27%
Cloud50%
Humid airVery high
Sun intensityStrong
Late afternoon82°F
Feels 84°F
Rain25%
Cloud51%
Humid airVery high
Sun intensityStrong
Early evening82°F
Feels 84°F
Rain27%
Cloud54%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 78 | 76 | 1.2 | 10 | 10.9 | 77 | 80 |
| Feb | 78 | 75 | 1.0 | 7 | 11.0 | 77 | 80 |
| Mar | 78 | 76 | 0.9 | 7 | 11.1 | 76 | 80 |
| Apr | 79 | 76 | 1.6 | 9 | 11.9 | 78 | 80 |
| May | 80 | 78 | 2.8 | 13 | 11.8 | 81 | 82 |
| Jun | 82 | 79 | 2.3 | 12 | 12.3 | 81 | 83 |
| Jul | 82 | 79 | 3.4 | 16 | 12.2 | 81 | 83 |
| Aug | 83 | 80 | 4.5 | 18 | 11.7 | 82 | 84 |
| Sep | 83 | 80 | 5.3 | 18 | 10.9 | 81 | 85 |
| Oct | 82 | 79 | 5.4 | 19 | 10.7 | 81 | 85 |
| Nov | 81 | 78 | 4.9 | 16 | 10.2 | 80 | 83 |
| Dec | 79 | 77 | 1.9 | 12 | 10.5 | 78 | 82 |
Similar climates
Similar
Similar travel styleAbaco IslandsBahamasSimilar travel styleExumaBahamasSimilar travel styleSt. JohnsAntiguaSimilar travel styleTortolaBritish Virgin Islands
Want a side-by-side climate view? Compare St. Thomas with Abaco Islands.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 13, 2026
Data & methodology