St Thomas weather in January 2026

Expect daytime maximum temperatures of 28°C in St Thomas, Virgin Islands in January based on long-term weather averages. There are 8 hours of sunshine per day on average with 14 days with some rainfall and typically 68 mm of rainfall in the month.

  • 28°C maximum daytime temperature in January in St Thomas28
    28°C max day temperature
  • 8 hours of sunshine per day
  • 14 days with some rainfall in January in St Thomas14
    14 days with some rainfall
  • 21°C minimum night-time temperature in January in St Thomas21
    21°C min night temperature
  • 11 hours of daylight per day in January in St Thomas11
    11 hours of daylight per day
  • Moderate heat & humidity in January in St ThomasM
    Moderate heat & humidity
  • 68 mm monthly rainfall in January in St Thomas68
    68 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in January in St Thomas8
    8 (Very High) UV index
  • 26°C sea temperature in January in St Thomas26
    26°C sea temperature

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The January weather guide for Virgin Islands (St Thomas) 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)

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How hot is it in St Thomas in January?

Daytime temperatures usually reach 28°C in St Thomas in January with moderate heat and humidity, falling to 21°C at night.

How sunny is it in St Thomas in January?

There are normally 8 hours of bright sunshine each day in St Thomas in January - that's 72% of daylight hours.

How warm is the sea around St Thomas in January?

The average sea temperature around St Thomas in January is 26°C.

Does it rain in St Thomas in January?

There are usually 14 days with some rain in St Thomas in January and the average monthly rainfall is 68mm.

St Thomas January sunrise & sunset times

Browse the sunrise and sunset times for St Thomas in January 2026. Select a month to view St Thomas sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 06:52 17:55
Friday, 16th January 2026 06:55 18:04
Saturday, 31st January 2026 06:53 18:13

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