St Helena, Ascension & Tristan da Cunha weather averages for holidays in 2017/2018

Check St Helena, Ascension & Tristan da Cunha weather averages before you book your next holiday in 2017/2018. Today's maximum temperature in St Helena, Ascension & Tristan da Cunha is expected to be 16°C, while the average maximum temperature in September is 18°C. The holiday weather guide shown below is for St Helena.

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St Helena, Ascension & Tristan da Cunha weather averages

Check St Helena, Ascension & Tristan da Cunha weather averages before you book your next holiday. The warmest months in St Helena, Ascension & Tristan da Cunha are February and March with an average maximum temperature of 23°C. The months with the least number of days with some rain are September and December with 12 days. The sea is at its warmest in St Helena, Ascension & Tristan da Cunha in March and April with an average sea temperature of 25°C. The St Helena, Ascension & Tristan da Cunha weather averages shown below are for St Helena.

Maximum daytime temperature (°C)

Days with some rainfall

Sea temperature (°C)

More weather parameters

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

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St Helena, Ascension & Tristan da Cunha weather today

Here is the weather in St Helena, Ascension & Tristan da Cunha today, Tuesday 26th September 2017. Expect overcast skies in St Helena, Ascension & Tristan da Cunha with a maximum temperature of 16°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the south-east. The weather forecast shown below is for St Helena.

  • 16
    °C maximum temperature
  • 14
    °C minimum temperature
  • overcast skies
  • 0
    hours of sunshine
  • 0
    mm of rainfall expected
  • 0
    no heat & humidity
  • 31
    kph wind from SE

5-day weather forecast

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

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St Helena, Ascension & Tristan da Cunha holiday 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)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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