St Thomas weather in August 2019

  • 31°C maximum daytime temperature in August in St Thomas31
    31°C max day temperature
  • 9 hours of sunshine per day
  • 14 days with some rainfall in August in St Thomas14
    14 days with some rainfall
  • 24°C minimum night-time temperature in August in St Thomas24
    24°C min night temperature
  • 13 hours of daylight per day in August in St Thomas13
    13 hours of daylight per day
  • High heat & humidity in August in St ThomasH
    High heat & humidity
  • 124 mm monthly rainfall in August in St Thomas124
    124 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in St Thomas11
    11+ (Extreme) UV index
  • 28°C sea temperature in August in St Thomas28
    28°C sea temperature
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The August weather guide for St Thomas, Virgin Islands shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to St Thomas weather in August

The average maximum daytime temperature in St Thomas in August is a hot 31°C (88°F) with high heat & humidity. The average night-time temperature is usually a warm 24°C (75°F). There are usually 9 hours of bright sunshine each day, which represents 67% of the 13 hours of daylight.

Expect 124mm (4.9 inches) of rainfall across the whole of August with 14 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around St Thomas in August is 28°C (82°F).

St Thomas sunrise & sunset times for August 2019

Browse the sunrise & sunset times for St Thomas in August 2019. Select a month to view St Thomas sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 05:58 18:54
Friday, 16th August 2019 06:02 18:46
Saturday, 31st August 2019 06:05 18:35
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Where's hot in the Virgin Islands in August?

Below are average maximum temperatures at popular destinations in the Virgin Islands in August. Select a destination to see more weather parameters.

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