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
18°C max day temperature
5
5 hours of sunshine per day
16
16 days with some rainfall
13
13°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
115
115 mm of monthly rainfall
11
11+ (Extreme) UV index
17
17°C sea temperature

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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)

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec