Best year time to visit St Helena

General weather information about St Helena

Average annual temperature is 14.3 °C

Absolute maximum temperature: 38.9 °C

Absolute minimum temperature: -1.4 °C

Number of sunny days: 143 days

Number of rainy days: 222 days

Look at detailed online map of St Helena

* Weather data for St Helena Australia is based on climate observations for 2026 year

St Helena air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)35.538.935.225.119.019.016.919.126.427.330.033.5
Average daytime temperature (°C)26.024.922.719.214.613.513.714.719.018.421.223.5
Average temperature (°C)19.818.817.114.110.810.39.810.213.213.116.118.0
Average night temperature (°C)14.713.912.810.08.07.66.86.68.48.312.113.3
Absolute minimum temperature (°C)10.29.59.72.82.30.31.4-1.41.72.66.49.3

St Helena monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)14.013.012.011.010.09.010.011.012.013.014.014.0
Daylight mean duration (h)14.413.512.311.110.19.69.810.711.913.114.114.7
Daylight minimum duration (h)14.012.011.010.09.09.09.010.011.012.013.014.0
Sunshine mean duration (h)10.510.18.67.76.46.16.87.29.88.89.59.4
Precipitation (mm)334163781068035582511258116
Sunny days1918151196121018988
Rainy days121016192224192112222223
Snow days000000000000

Best time to visit St Helena:

The largest precipitation sum in St Helena is at

  • May — 106(mm)
  • October — 112(mm)
  • December — 116(mm)
  • Frequently asked questions

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