St Helena, Ascension & Tristan da Cunha weather averages

Going to St Helena, Ascension & Tristan da Cunha? Find the best month to visit St Helena, Ascension & Tristan da Cunha based on the weather.

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Check St Helena, Ascension & Tristan da Cunha weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in St Helena, Ascension & Tristan da Cunha is expected to be 19°C, while the average maximum temperature in September is 18°C. The holiday weather guide shown above is for St Helena.

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

St Helena, Ascension & Tristan da Cunha weather averages: best month

St Helena, Ascension & Tristan da Cunha Best month Averages
Warmest February & March 23°C
Least rain September & December 12 days
Warmest sea March & April 25°C

St Helena, Ascension & Tristan da Cunha climate guide

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St Helena, Ascension & Tristan da Cunha weather averages by month

Check St Helena, Ascension & Tristan da Cunha holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare St Helena, Ascension & Tristan da Cunha weather with the USA

Below the St Helena, Ascension & Tristan da Cunha weather chart shows maximum daytime temperature for St Helena, Ascension and Tristan da Cunha (St Helena) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

St Helena, Ascension and Tristan da Cunha (St Helena)
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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More St Helena & Ascension destinations

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