Temperature
Hot by day, warm at night.
90°Ftypical Aug high
St. Thomas
US Virgin Islands · Caribbean
St. Thomas is most comfortable in the drier months around January to March. Typical daytime highs run about 84-90°F year-round. The climate is hot and humid. Rainy season runs roughly August to November.
Best time to go
12 mo · Typical year
Temperature range
74°F to 90°F
Rain
10 days/mo
Sunshine
11.3 h/day
Humidity feel
Humid year-round
When to visit
Month-by-month fit
Precipitation
Recurring showers across the month.
45%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
11.7 hAug sunshine
Heat & humidity by month
Hot days, with humid stretches.
Very humidAug heat feel
Air-feel chart data is unavailable for this destination. Use the selected-month dew point, temperature, rain, and sunshine context together rather than treating any one metric as total comfort.
Sea temperature
84°Aug sea temp
More detailIncludes sky and daypart comfort
Cloud cover
Partly cloudy across the month.
48%Aug clear sky
ClearCloud cover
Similar
Similar things to doAbaco IslandsBahamasSimilar things to doExumaBahamasSimilar things to doSt. JohnsAntiguaSimilar things to doTortolaBritish 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.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 13, 2026
Data & methodology