St Thomas weather in December 2019

  • 28°C maximum daytime temperature in December in St Thomas28
    28°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in December in St Thomas14
    14 days with some rainfall
  • 22°C minimum night-time temperature in December in St Thomas22
    22°C min night temperature
  • 11 hours of daylight per day in December in St Thomas11
    11 hours of daylight per day
  • Moderate heat & humidity in December in St ThomasM
    Moderate heat & humidity
  • 119 mm monthly rainfall in December in St Thomas119
    119 mm of monthly rainfall
  • UV (maximum) index 7 (High) in December in St Thomas7
    7 (High) UV index
  • 27°C sea temperature in December in St Thomas27
    27°C sea temperature
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The December 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 December

The average maximum daytime temperature in St Thomas in December is a warm 28°C (82°F) with moderate heat & humidity. The average night-time temperature is usually a warm 22°C (72°F). There are usually 7 hours of bright sunshine each day, which represents 67% of the 11 hours of daylight.

Expect 119mm (4.7 inches) of rainfall across the whole of December with 14 days with some rain falling. Maximum UV levels will be high (7 UV index) at midday when the skies are clear.

The average sea temperature in and around St Thomas in December is 27°C (81°F).

St Thomas sunrise & sunset times for December 2019

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2019 06:35 17:42
Monday, 16th December 2019 06:44 17:46
Tuesday, 31st December 2019 06:51 17:54
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