Best year time to visit Asterholma

General weather information about Asterholma

Average annual temperature is 7.0 °C

Absolute maximum temperature: 23.2 °C

Absolute minimum temperature: -8.3 °C

Number of sunny days: 143 days

Number of rainy days: 177 days

Number of snow days: 45 days

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* Weather data for Asterholma Åland is based on climate observations for 2026 year

Asterholma air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.34.74.06.912.920.319.023.218.115.08.96.1
Average daytime temperature (°C)2.31.10.93.98.714.717.217.616.59.03.80.4
Average temperature (°C)1.20.1-0.42.77.613.616.516.815.67.62.6-0.8
Average night temperature (°C)0.1-1.0-1.61.66.612.615.616.014.96.21.3-2.0
Absolute minimum temperature (°C)-5.6-5.5-7.2-3.32.16.713.814.612.90.7-7.6-8.3

Asterholma monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.015.018.018.018.016.014.011.08.06.0
Daylight mean duration (h)6.89.111.814.617.218.818.015.612.910.17.55.9
Daylight minimum duration (h)5.07.010.013.016.018.016.014.011.08.06.05.0
Sunshine mean duration (h)1.63.76.010.513.816.214.39.88.35.01.60.5
Precipitation (mm)6836701918460108311568140
Sunny days1012718232615615326
Rainy days1710111284162515271814
Snow days461300000011011

Asterholma - weather forecast by months

Asterholma weather in januaryAsterholma weather in februaryAsterholma weather in marchAsterholma weather in aprilAsterholma weather in mayAsterholma weather in juneAsterholma weather in julyAsterholma weather in augustAsterholma weather in septemberAsterholma weather in octoberAsterholma weather in novemberAsterholma weather in december

Best time to visit Asterholma:

The best time to visit Asterholma during the most sunny months:

  • April — 10.5(h)
  • May — 13.8(h)
  • June — 16.2(h)
  • July — 14.3(h)
  • August — 9.8(h)

Months with the longest average daylight duration in Asterholma:

  • May — 17.2(h)
  • June — 18.8(h)
  • July — 18.0(h)
  • August — 15.6(h)

The largest precipitation sum in Asterholma is at

  • August — 108(mm)
  • October — 156(mm)
  • November — 81(mm)

    • Weather forecast in the closest to Asterholma admin centers

    Weather forecast in the closest towns to Asterholma

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    Frequently asked questions

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