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 (67% of daylight hours) in August in St Thomas9
    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

Going to St Thomas? Find the best month to visit St Thomas based on the weather.

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Expect 31°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in St Thomas in August. Check more long-term weather averages for St Thomas in August before you book your next holiday to Virgin Islands in 2019/2020.

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More about St Thomas

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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.

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.


Date Sunrise times Sunset times
Thursday, 1st August 2019 05:58 18:54
Friday, 2nd August 2019 05:58 18:54
Saturday, 3rd August 2019 05:58 18:53
Sunday, 4th August 2019 05:59 18:53
Monday, 5th August 2019 05:59 18:53
Tuesday, 6th August 2019 05:59 18:52
Wednesday, 7th August 2019 05:59 18:51
Thursday, 8th August 2019 06:00 18:51
Friday, 9th August 2019 06:00 18:50
Saturday, 10th August 2019 06:00 18:50
Sunday, 11th August 2019 06:01 18:49
Monday, 12th August 2019 06:01 18:49
Tuesday, 13th August 2019 06:01 18:48
Wednesday, 14th August 2019 06:01 18:47
Thursday, 15th August 2019 06:02 18:47
Friday, 16th August 2019 06:02 18:46
Saturday, 17th August 2019 06:02 18:45
Sunday, 18th August 2019 06:02 18:45
Monday, 19th August 2019 06:03 18:44
Tuesday, 20th August 2019 06:03 18:43
Wednesday, 21st August 2019 06:03 18:43
Thursday, 22nd August 2019 06:03 18:42
Friday, 23rd August 2019 06:03 18:41
Saturday, 24th August 2019 06:04 18:40
Sunday, 25th August 2019 06:04 18:40
Monday, 26th August 2019 06:04 18:39
Tuesday, 27th August 2019 06:04 18:38
Wednesday, 28th August 2019 06:04 18:37
Thursday, 29th August 2019 06:05 18:37
Friday, 30th August 2019 06:05 18:36
Saturday, 31st August 2019 06:05 18:35
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