St Helena & Islands weather by month

Check out St Helena & Islands weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Maximum daytime temperature °C	22	23	23	22	21	19	18	17	18	18	19	20
Days with some rainfall	14	14	15	15	14	16	16	15	12	14	13	12
Sea temperature °C	23	24	25	25	24	23	21	21	20	20	21	22

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St Helena & Islands by month

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

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The climate guide for St Helena & Islands (St Helena) shows long term monthly 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 countries, regions and places in St Helena & Islands for next month - January. Select a destination to see the climate guide for all months of the year.

All St Helena & Islands destinations

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

Compare St Helena & Islands with the UK

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