Best year time to visit Synsiö

General weather information about Synsiö

Average annual temperature is 4.7 °C

Absolute maximum temperature: 28.5 °C

Absolute minimum temperature: -17.8 °C

Number of sunny days: 114 days

Number of rainy days: 176 days

Number of snow days: 75 days

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

Synsiö air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.04.14.716.921.928.124.228.520.712.24.62.3
Average daytime temperature (°C)-1.9-2.1-0.98.214.620.419.920.316.74.5-1.2-4.9
Average temperature (°C)-3.6-4.3-4.02.09.915.716.416.813.82.3-2.8-6.6
Average night temperature (°C)-5.4-7.1-6.9-2.44.410.012.813.210.80.3-4.3-8.3
Absolute minimum temperature (°C)-14.8-17.8-15.2-9.8-3.30.39.98.36.1-5.9-16.1-13.4

Synsiö monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.019.019.019.017.014.011.08.05.0
Daylight mean duration (h)6.38.911.814.817.819.618.715.913.010.07.15.3
Daylight minimum duration (h)5.07.010.013.016.019.017.014.011.08.05.05.0
Sunshine mean duration (h)0.62.24.910.812.114.910.810.36.23.60.00.2
Precipitation (mm)79278030544020791841027044
Sunny days51272214114781167
Rainy days9498161927242216157
Snow days1712150100004917

Synsiö - weather forecast by months

Synsiö weather in januarySynsiö weather in februarySynsiö weather in marchSynsiö weather in aprilSynsiö weather in maySynsiö weather in juneSynsiö weather in julySynsiö weather in augustSynsiö weather in septemberSynsiö weather in octoberSynsiö weather in novemberSynsiö weather in december

Best time to visit Synsiö:

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

  • April — 10.8(h)
  • May — 12.1(h)
  • June — 14.9(h)
  • July — 10.8(h)
  • August — 10.3(h)

Months with the longest average daylight duration in Synsiö:

  • May — 17.8(h)
  • June — 19.6(h)
  • July — 18.7(h)
  • August — 15.9(h)

The largest precipitation sum in Synsiö is at

  • July — 207(mm)
  • October — 102(mm)

    • Weather forecast in the closest to Synsiö admin centers

    Weather forecast in the closest towns to Synsiö

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    Frequently asked questions

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