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°C maximum daytime temperature in January in St Helena22
23°C maximum daytime temperature in February in St Helena23
23°C maximum daytime temperature in March in St Helena23
22°C maximum daytime temperature in April in St Helena22
21°C maximum daytime temperature in May in St Helena21
19°C maximum daytime temperature in June in St Helena19
18°C maximum daytime temperature in July in St Helena18
17°C maximum daytime temperature in August in St Helena17
18°C maximum daytime temperature in September in St Helena18
18°C maximum daytime temperature in October in St Helena18
19°C maximum daytime temperature in November in St Helena19
20°C maximum daytime temperature in December in St Helena20
Days with some rainfall
14 days with some rainfall in January in St Helena14
14 days with some rainfall in February in St Helena14
15 days with some rainfall in March in St Helena15
15 days with some rainfall in April in St Helena15
14 days with some rainfall in May in St Helena14
16 days with some rainfall in June in St Helena16
16 days with some rainfall in July in St Helena16
15 days with some rainfall in August in St Helena15
12 days with some rainfall in September in St Helena12
14 days with some rainfall in October in St Helena14
13 days with some rainfall in November in St Helena13
12 days with some rainfall in December in St Helena12
Sea temperature °C
23°C sea temperature in January in St Helena23
24°C sea temperature in February in St Helena24
25°C sea temperature in March in St Helena25
25°C sea temperature in April in St Helena25
24°C sea temperature in May in St Helena24
23°C sea temperature in June in St Helena23
21°C sea temperature in July in St Helena21
21°C sea temperature in August in St Helena21
20°C sea temperature in September in St Helena20
20°C sea temperature in October in St Helena20
21°C sea temperature in November in St Helena21
22°C sea temperature in December in St Helena22

More about St Helena & Islands

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 - March. 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)

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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).

Maximum daytime temperature (°C)

St Helena, Ascension and Tristan da Cunha (St Helena)
UK (London)
22
7
23
7
23
10
22
13
21
17
19
20
18
22
17
22
18
19
18
15
19
10
20
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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