St Helena weather in December 2024

Expect 20°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in St Helena in December. Check more long-term weather averages for St Helena in December before you book your next holiday to St Helena & Islands in 2024/2025.

  • 20°C maximum daytime temperature in December in St Helena20
    20°C max day temperature
  • 12 days with some rainfall in December in St Helena12
    12 days with some rainfall
  • 16°C minimum night-time temperature in December in St Helena16
    16°C min night temperature
  • 13 hours of daylight per day in December in St Helena13
    13 hours of daylight per day
  • No heat & humidity in December in St Helena0
    No heat & humidity
  • 37 mm monthly rainfall in December in St Helena37
    37 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in St Helena11
    11+ (Extreme) UV index
  • 22°C sea temperature in December in St Helena22
    22°C sea temperature

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The December weather guide for St Helena & Islands (St Helena) 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 Helena in December?

Daytime temperatures usually reach 20°C in St Helena in December, falling to 16°C at night.

How warm is the sea around St Helena in December?

The average sea temperature around St Helena in December is 22°C.

Does it ever rain in St Helena in December?

There are usually 12 days with some rain in St Helena in December and the average monthly rainfall is 37mm.

St Helena December sunrise & sunset times

Browse the sunrise and sunset times for St Helena in December 2024. Select a month to view St Helena sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 05:42 18:42
Monday, 16th December 2024 05:46 18:51
Tuesday, 31st December 2024 05:54 18:58

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