Best year time to visit Ascension

General weather information about Ascension

Average annual temperature is 23.7 °C

Absolute maximum temperature: 26.9 °C

Absolute minimum temperature: 19.7 °C

Number of sunny days: 65 days

Number of rainy days: 300 days

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

Ascension air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)25.026.026.826.925.826.426.025.525.224.925.526.7
Average daytime temperature (°C)24.225.225.926.125.424.825.124.323.824.024.725.7
Average temperature (°C)23.724.725.225.424.824.023.222.522.022.222.924.0
Average night temperature (°C)23.324.224.424.824.223.221.821.120.720.821.522.6
Absolute minimum temperature (°C)22.423.622.923.523.621.320.619.719.720.020.521.8

Ascension monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)12.012.012.012.011.011.011.011.012.012.012.012.0
Daylight mean duration (h)12.512.412.111.911.811.711.711.912.112.312.512.6
Daylight minimum duration (h)12.012.012.011.011.011.011.011.011.012.012.012.0
Sunshine mean duration (h)11.711.510.510.810.810.510.29.79.49.310.311.4
Precipitation (mm)97107331419395761445366
Sunny days913612117311110
Rainy days221525182023283029302931
Snow days000000000000

Ascension - weather forecast by months

Ascension weather in januaryAscension weather in februaryAscension weather in marchAscension weather in aprilAscension weather in mayAscension weather in juneAscension weather in julyAscension weather in augustAscension weather in septemberAscension weather in octoberAscension weather in novemberAscension weather in december

Best time to visit Ascension:

The largest precipitation sum in Ascension is at

  • March — 107(mm)
  • August — 57(mm)
  • September — 61(mm)
  • December — 66(mm)

    • Weather forecast in the closest to Ascension admin centers

    Weather forecast in the closest towns to Ascension

    Explore Ascension

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    MapTrains schedule
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    Frequently asked questions

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