St Helena weather in April 2025

Q: How hot is it in St Helena in April?

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

Q: How warm is the sea around St Helena in April?

The average sea temperature around St Helena in April is 25°C.

Q: Does it ever rain in St Helena in April?

There are usually 15 days with some rain in St Helena in April and the average monthly rainfall is 63mm.

Expect daytime maximum temperatures of 22°C in St Helena in April based on long-term weather averages. There are 15 days with some rainfall and typically 63 mm of rainfall in the month.

22
22°C max day temperature
15
15 days with some rainfall
18
18°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
63
63 mm of monthly rainfall
11
11 (Extreme) UV index
25
25°C sea temperature

More about St Helena

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The April 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)