Tristan da Cunha weather in January 2025

Expect 18°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Tristan da Cunha in January. Check more long-term weather averages for Tristan da Cunha in January before you book your next holiday to St Helena & Islands in 2025/2026.

  • 18°C maximum daytime temperature in January in Tristan da Cunha18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in January in Tristan da Cunha16
    16 days with some rainfall
  • 13°C minimum night-time temperature in January in Tristan da Cunha13
    13°C min night temperature
  • 14 hours of daylight per day in January in Tristan da Cunha14
    14 hours of daylight per day
  • No heat & humidity in January in Tristan da Cunha0
    No heat & humidity
  • 115 mm monthly rainfall in January in Tristan da Cunha115
    115 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Tristan da Cunha11
    11+ (Extreme) UV index
  • 17°C sea temperature in January in Tristan da Cunha17
    17°C sea temperature

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Tristan da Cunha by month

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The January weather guide for St Helena & Islands (Tristan da Cunha) 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 Tristan da Cunha in January?

Daytime temperatures usually reach 18°C in Tristan da Cunha in January, falling to 13°C at night.

How sunny is it in Tristan da Cunha in January?

There are normally 5 hours of bright sunshine each day in Tristan da Cunha in January - that's 31% of daylight hours.

How warm is the sea around Tristan da Cunha in January?

The average sea temperature around Tristan da Cunha in January is 17°C.

Does it rain in Tristan da Cunha in January?

There are usually 16 days with some rain in Tristan da Cunha in January and the average monthly rainfall is 115mm.

Tristan da Cunha January sunrise & sunset times

Browse the sunrise and sunset times for Tristan da Cunha in January 2025. Select a month to view Tristan da Cunha sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 05:33 20:12
Thursday, 16th January 2025 05:47 20:10
Friday, 31st January 2025 06:04 20:01

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