St Helena weather in January 2025

Expect 22°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in St Helena in January. Check more long-term weather averages for St Helena in January before you book your next holiday to St Helena & Islands in 2025/2026.

  • 22°C maximum daytime temperature in January in St Helena22
    22°C max day temperature
  • 14 days with some rainfall in January in St Helena14
    14 days with some rainfall
  • 18°C minimum night-time temperature in January in St Helena18
    18°C min night temperature
  • 13 hours of daylight per day in January in St Helena13
    13 hours of daylight per day
  • No heat & humidity in January in St Helena0
    No heat & humidity
  • 53 mm monthly rainfall in January in St Helena53
    53 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in St Helena11
    11+ (Extreme) UV index
  • 23°C sea temperature in January in St Helena23
    23°C sea temperature

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The January 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 January?

Daytime temperatures usually reach 22°C in St Helena in January, falling to 18°C at night.

How warm is the sea around St Helena in January?

The average sea temperature around St Helena in January is 23°C.

Does it ever rain in St Helena in January?

There are usually 14 days with some rain in St Helena in January and the average monthly rainfall is 53mm.

St Helena January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 05:55 18:58
Thursday, 16th January 2025 06:04 19:01
Friday, 31st January 2025 06:12 19:00

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