St. JohnUS Virgin Islands · Caribbean · Year-round overview
BeachIslandNature

St. John

US Virgin Islands · Caribbean

St. John is most comfortable in the drier months around January to April. Typical daytime highs run about 78-83°F year-round. The climate is warm and humid. Rainy season runs roughly July to November.

Best time to go
St. John travel scene
12 mo · Typical year
Temperature range
75°F to 83°F
Rain
13 days/mo
Sunshine
5.9 h/day
Humidity feel
Humid year-round

Month-by-month fit

Temperature

Warm by day, warm at night.

82°Ftypical Aug high
65°70°75°80°85°90°HighLow83°F78°F80°F75°FJanMarMayJulSepNovCurrent month · 82°F

Precipitation

Recurring showers across the month.

55%wet-day frequency
012345678Amount (in)0%25%50%75%100%19%JanMarMayJulSepNovCurrent month · 55%55%
AmountWet-day chance

Sunshine

Cloudier spells limit sunshine.

5.5 hAug sunshine
0 h3 h6 h9 h7.3 hJanMarMayJulSepNovCurrent month · 5.5 h5.5 h

Heat & humidity by month

Very humid air is a major factor this month.

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
70°75°90°Comfortable swim 75°+79°JanMarMayJulSepNovCurrent month · 84°84°
More detailIncludes sky and daypart comfort

Cloud cover

Partly cloudy across the month.

48%Aug clear sky
0%25%50%75%100%71%JanMarMayJulSepNovCurrent month · 48%48%
ClearCloud cover

Similar

Want a side-by-side climate view? Compare St. John with St. Lucia.

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