Ascension Island weather in January 2025

Expect 27°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Ascension Island in January. Check more long-term weather averages for Ascension Island in January before you book your next holiday to St Helena & Islands in 2025/2026.

  • 27°C maximum daytime temperature in January in Ascension Island27
    27°C max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in January in Ascension Island8
    8 days with some rainfall
  • 24°C minimum night-time temperature in January in Ascension Island24
    24°C min night temperature
  • 13 hours of daylight per day in January in Ascension Island13
    13 hours of daylight per day
  • Moderate heat & humidity in January in Ascension IslandM
    Moderate heat & humidity
  • 9 mm monthly rainfall in January in Ascension Island9
    9 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Ascension Island11
    11+ (Extreme) UV index
  • 26°C sea temperature in January in Ascension Island26
    26°C sea temperature

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The January weather guide for St Helena & Islands (Ascension Island) 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 Ascension Island in January?

Daytime temperatures usually reach 27°C in Ascension Island in January with moderate heat and humidity, falling to 24°C at night.

How sunny is it in Ascension Island in January?

There are normally 7 hours of bright sunshine each day in Ascension Island in January - that's 59% of daylight hours.

How warm is the sea around Ascension Island in January?

The average sea temperature around Ascension Island in January is 26°C.

Does it ever rain in Ascension Island in January?

There are usually 8 days with some rain in Ascension Island in January and the average monthly rainfall is 9mm.

Ascension Island January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 06:44 19:19
Thursday, 16th January 2025 06:52 19:23
Friday, 31st January 2025 06:58 19:24

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