Weather in Finnö in May

General weather information about Finnö

Average annual temperature is 6.8 °C

Absolute maximum temperature: 24.9 °C

Absolute minimum temperature: -9.6 °C

Number of sunny days: 138 days

Number of rainy days: 179 days

Number of snow days: 48 days

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

Finnö air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.14.43.97.314.420.319.424.918.114.68.85.5
Average daytime temperature (°C)1.80.80.74.38.815.217.117.816.48.63.4-0.2
Average temperature (°C)0.8-0.2-0.62.87.614.016.316.915.57.32.3-1.3
Average night temperature (°C)-0.3-1.4-2.01.46.412.815.415.914.75.90.9-2.5
Absolute minimum temperature (°C)-7.0-6.6-8.0-3.71.16.913.514.212.80.0-8.4-9.6

Finnö 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)6.89.111.814.617.218.818.015.612.910.17.56.0
Daylight minimum duration (h)5.07.010.013.016.018.016.014.011.08.06.05.0
Sunshine mean duration (h)1.63.76.210.513.816.114.39.58.25.01.40.5
Precipitation (mm)7535722620474136331508242
Sunny days1016719232310514272
Rainy days175101187212616291712
Snow days47140000000617

Finnö - weather forecast by months

Finnö weather in januaryFinnö weather in februaryFinnö weather in marchFinnö weather in aprilFinnö weather in mayFinnö weather in juneFinnö weather in julyFinnö weather in augustFinnö weather in septemberFinnö weather in octoberFinnö weather in novemberFinnö weather in december

Best time to visit Finnö:

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

  • April — 10.5(h)
  • May — 13.8(h)
  • June — 16.1(h)
  • July — 14.3(h)

Months with the longest average daylight duration in Finnö:

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

The largest precipitation sum in Finnö is at

  • August — 136(mm)
  • October — 150(mm)
  • November — 82(mm)

    • Weather forecast in the closest to Finnö admin centers

    Weather forecast in the closest towns to Finnö

    Explore Finnö

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    MapTrains schedule
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    Frequently asked questions

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