St John weather in December 2025

Expect 28°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in St John in December based on long-term weather averages. There is usually 14 days with some rainfall and 119 mm of average monthly rainfall in December.

  • 28°C maximum daytime temperature in December in St John28
    28°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in December in St John14
    14 days with some rainfall
  • 22°C minimum night-time temperature in December in St John22
    22°C min night temperature
  • 11 hours of daylight per day in December in St John11
    11 hours of daylight per day
  • Moderate heat & humidity in December in St JohnM
    Moderate heat & humidity
  • 119 mm monthly rainfall in December in St John119
    119 mm of monthly rainfall
  • UV (maximum) index 7 (High) in December in St John7
    7 (High) UV index
  • 27°C sea temperature in December in St John27
    27°C sea temperature

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The December weather guide for Virgin Islands (St John) 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 John in December?

Daytime temperatures usually reach 28°C in St John in December with moderate heat and humidity, falling to 22°C at night.

How sunny is it in St John in December?

There are normally 7 hours of bright sunshine each day in St John in December - that's 67% of daylight hours.

How warm is the sea around St John in December?

The average sea temperature around St John in December is 27°C.

Does it rain in St John in December?

There are usually 14 days with some rain in St John in December and the average monthly rainfall is 119mm.

St John December sunrise & sunset times

Browse the sunrise and sunset times for St John in December 2025. Select a month to view St John sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:35 17:42
Tuesday, 16th December 2025 06:44 17:46
Wednesday, 31st December 2025 06:51 17:54

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