Best year time to visit Saint Helena

General weather information about Saint Helena

Average annual temperature is 14.5 °C

Absolute maximum temperature: 36.6 °C

Absolute minimum temperature: -8.5 °C

Number of sunny days: 183 days

Number of rainy days: 179 days

Number of snow days: 3 days

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* Weather data for Saint Helena United States is based on climate observations for 2026 year

Saint Helena air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.021.922.427.226.430.235.333.336.627.021.414.2
Average daytime temperature (°C)9.210.711.819.021.026.029.829.825.720.212.79.7
Average temperature (°C)5.86.07.014.316.621.325.625.221.715.68.26.0
Average night temperature (°C)2.82.43.010.412.417.321.821.218.011.64.42.8
Absolute minimum temperature (°C)-2.1-8.5-3.14.05.813.919.417.512.77.0-4.1-2.3

Saint Helena monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.712.013.214.314.914.613.712.411.210.09.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.36.87.59.711.310.812.110.88.49.17.75.4
Precipitation (mm)97608716036149190651175861172
Sunny days13161517171381216172415
Rainy days18111613141723191414614
Snow days010000000002

Saint Helena - weather forecast by months

Saint Helena weather in januarySaint Helena weather in februarySaint Helena weather in marchSaint Helena weather in aprilSaint Helena weather in maySaint Helena weather in juneSaint Helena weather in julySaint Helena weather in augustSaint Helena weather in septemberSaint Helena weather in octoberSaint Helena weather in novemberSaint Helena weather in december

Best time to visit Saint Helena:

The best time to visit Saint Helena during the most sunny months:

  • May — 11.3(h)
  • July — 12.1(h)

The largest precipitation sum in Saint Helena is at

  • April — 160(mm)
  • June — 149(mm)
  • July — 190(mm)
  • December — 172(mm)

    • Weather forecast in the closest to Saint Helena admin centers

    Weather forecast in the closest towns to Saint Helena

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    Frequently asked questions

    When is the best time to visit Saint Helena?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Saint Helena.
    What is the weather like in Saint Helena?
    See average temperature, rainfall and daylight hours for Saint Helena by month in the table above.
    How many sunny days does Saint Helena have?
    The monthly weather statistics above show sunshine and rainfall patterns for Saint Helena throughout the year.