Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
August verdict
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 8.5h per day, so bright days are a strong part of the month. Rainfall averages 124mm, so some wet days are possible.
Monthly averages
Temp
31°C
Rain
124mm
Sun
8.5h
Sea
29°C
Weather score
66
Good
Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 124mm, so some wet days are possible.
Bright
Sunshine averages 8.5h per day, so bright days are a strong part of the month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare St Thomas, Virgin Islands (US) with nearby places by weather score, rain, sun, temperature, and swim conditions.
August31°C average high
August is one of St Thomas' warmest months, with daytime heat above the yearly average.
Warmest monthsMay to November
This stretch sets the upper range for average daytime heat.
August124mm average rain
August is wetter than St Thomas' yearly average, so flexible plans matter more.
Driest monthsJanuary to April and June to July
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August8.5 hours average sun
August is brighter than St Thomas' yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsFebruary to August
This stretch has the strongest sunshine in the monthly averages.
August29°C average sea
August sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJune to November
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
August66 weather score
August scores below St Thomas' yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to April and June
These months have the strongest weather score in the monthly averages.