St Helena & Islands weather

Below are the temperatures expected today at popular destinations in St Helena & Islands. Select a destination to compare today's forecast with average weather conditions.

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The weather guide for St Helena & Islands, St Helena & Islands shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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Which is the hottest month in St Helena & Islands?

The hottest time of year in St Helena, St Helena & Islands is normally March. Expect maximum daytime temperatures to reach 23°C.

Does it ever rain in St Helena & Islands?

It never rains much in St Helena, St Helena & Islands but March usually has the most rain with an average of 90mm. There are normally 15 days in March with some rain.

When is the sea warmest in St Helena & Islands?

The sea is usually at its warmest in St Helena, St Helena & Islands in March when the water temperature reaches 25°C.

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

Compare St Helena & Islands weather with the USA

Below the St Helena & Islands weather chart shows average maximum daytime temperature for St Helena, Ascension and Tristan da Cunha (St Helena) and the USA (Washington).