Best year time to visit Fastarby

General weather information about Fastarby

Average annual temperature is 6.3 °C

Absolute maximum temperature: 29.0 °C

Absolute minimum temperature: -19.3 °C

Number of sunny days: 128 days

Number of rainy days: 185 days

Number of snow days: 52 days

Look at detailed online map of Fastarby

* Weather data for Fastarby Finland is based on climate observations for 2026 year

Fastarby air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.87.46.817.123.928.824.529.020.914.98.54.8
Average daytime temperature (°C)0.70.61.19.915.321.920.120.117.97.72.0-2.2
Average temperature (°C)-1.3-1.8-2.44.510.116.816.417.014.95.00.4-4.3
Average night temperature (°C)-3.5-5.5-7.0-1.23.59.811.913.511.12.1-1.6-7.1
Absolute minimum temperature (°C)-19.2-16.5-17.3-13.7-3.42.69.211.55.6-4.5-11.1-19.3

Fastarby 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)6.89.111.814.617.218.718.015.612.910.17.56.0
Daylight minimum duration (h)6.07.010.013.015.018.016.014.011.08.06.05.0
Sunshine mean duration (h)1.43.25.811.013.315.613.59.57.84.81.50.7
Precipitation (mm)1024792313427120162361138460
Sunny days91392120182712845
Rainy days1781091012292418221610
Snow days571201000011016

Fastarby - weather forecast by months

Fastarby weather in januaryFastarby weather in februaryFastarby weather in marchFastarby weather in aprilFastarby weather in mayFastarby weather in juneFastarby weather in julyFastarby weather in augustFastarby weather in septemberFastarby weather in octoberFastarby weather in novemberFastarby weather in december

Best time to visit Fastarby:

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

  • April — 11.0(h)
  • May — 13.3(h)
  • June — 15.6(h)
  • July — 13.5(h)
  • August — 9.5(h)

Months with the longest average daylight duration in Fastarby:

  • May — 17.2(h)
  • June — 18.7(h)
  • July — 18.0(h)
  • August — 15.6(h)

The largest precipitation sum in Fastarby is at

  • January — 102(mm)
  • July — 120(mm)
  • August — 162(mm)
  • October — 113(mm)

    • Weather forecast in the closest to Fastarby admin centers

    Weather forecast in the closest towns to Fastarby

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    Frequently asked questions

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