St Helena & Islands 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 & Islands in January. Check more long-term weather averages for St Helena & Islands in January before you book your next holiday to St Helena & Islands in 2025/2026.

22
22°C max day temperature
14
14 days with some rainfall
18
18°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
53
53 mm of monthly rainfall
11
11+ (Extreme) UV index
23
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.

Top St Helena & Islands destinations

Below are average maximum temperatures at popular destinations in St Helena & Islands in January. Select a destination to see more weather parameters.

All St Helena & Islands destinations

Metric (°C / mm) | Imperial (°F / inches)

How hot is it in St Helena & Islands in January?

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

How warm is the sea around St Helena & Islands in January?

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

Does it ever rain in St Helena & Islands in January?

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

St Helena & Islands January sunrise & sunset times

Browse the sunrise and sunset times for St Helena & Islands in January 2025. Select a month to view St Helena & Islands sunrise and sunset times for the next 12 months. The St Helena & Islands sunrise and sunset times shown below are for St Helena.

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