Best year time to visit Posio

General weather information about Posio

Average annual temperature is 2.0 °C

Absolute maximum temperature: 25.2 °C

Absolute minimum temperature: -18.6 °C

Number of sunny days: 109 days

Number of rainy days: 143 days

Number of snow days: 113 days

Look at detailed online map of Posio

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

Posio air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.21.4-0.58.720.523.223.325.219.49.40.8-1.2
Average daytime temperature (°C)-3.9-4.9-5.23.911.416.617.318.313.60.5-4.8-7.0
Average temperature (°C)-5.6-6.7-7.9-0.36.712.914.415.311.1-1.1-6.5-8.4
Average night temperature (°C)-7.1-8.6-10.5-3.81.98.511.112.08.4-3.0-8.4-10.1
Absolute minimum temperature (°C)-15.6-15.5-18.6-9.3-5.81.56.16.82.0-10.1-15.8-16.7

Posio monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)6.09.013.017.021.024.024.018.014.011.07.04.0
Daylight mean duration (h)4.68.211.715.419.423.521.116.813.19.55.83.1
Daylight minimum duration (h)3.06.09.013.017.021.018.014.011.07.04.02.0
Sunshine mean duration (h)0.31.35.110.711.514.39.59.75.22.10.20.1
Precipitation (mm)533142323852105109123692531
Sunny days945191211510512107
Rainy days242716192621251245
Snow days20202443000071619

Posio - weather forecast by months

Posio weather in januaryPosio weather in februaryPosio weather in marchPosio weather in aprilPosio weather in mayPosio weather in junePosio weather in julyPosio weather in augustPosio weather in septemberPosio weather in octoberPosio weather in novemberPosio weather in december

Best time to visit Posio:

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

  • April — 10.7(h)
  • May — 11.5(h)
  • June — 14.3(h)
  • July — 9.5(h)
  • August — 9.7(h)

Months with the longest average daylight duration in Posio:

  • May — 19.4(h)
  • June — 23.5(h)
  • July — 21.1(h)
  • August — 16.8(h)

The largest precipitation sum in Posio is at

  • July — 105(mm)
  • August — 109(mm)
  • September — 123(mm)

    • Weather forecast in the closest to Posio admin centers

    Weather forecast in the closest towns to Posio

    Explore Posio

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    MapTrains schedule
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    Frequently asked questions

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