Best year time to visit Siira

General weather information about Siira

Average annual temperature is 3.1 °C

Absolute maximum temperature: 28.2 °C

Absolute minimum temperature: -21.2 °C

Number of sunny days: 125 days

Number of rainy days: 144 days

Number of snow days: 96 days

Look at detailed online map of Siira

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

Siira air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.42.40.811.123.326.124.228.221.110.42.51.3
Average daytime temperature (°C)-3.0-3.8-3.95.513.418.619.020.214.92.0-3.3-6.0
Average temperature (°C)-4.7-5.9-7.10.38.214.415.416.312.0-0.1-5.0-7.4
Average night temperature (°C)-6.4-8.2-10.2-3.82.59.311.412.19.0-2.3-7.0-9.1
Absolute minimum temperature (°C)-20.0-16.3-21.2-10.5-5.61.37.86.61.3-9.6-14.8-16.7

Siira monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)6.09.013.016.020.022.021.018.014.011.07.04.0
Daylight mean duration (h)5.18.411.815.318.922.020.316.613.19.66.23.7
Daylight minimum duration (h)3.06.010.013.017.020.018.014.011.07.04.03.0
Sunshine mean duration (h)0.61.45.510.511.913.39.510.75.22.70.50.1
Precipitation (mm)592448415065116105120803939
Sunny days899211411511512812
Rainy days733714192620251460
Snow days16161923000051619

Siira - weather forecast by months

Siira weather in januarySiira weather in februarySiira weather in marchSiira weather in aprilSiira weather in maySiira weather in juneSiira weather in julySiira weather in augustSiira weather in septemberSiira weather in octoberSiira weather in novemberSiira weather in december

Best time to visit Siira:

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

  • April — 10.5(h)
  • May — 11.9(h)
  • June — 13.3(h)
  • July — 9.5(h)
  • August — 10.7(h)

Months with the longest average daylight duration in Siira:

  • May — 18.9(h)
  • June — 22.0(h)
  • July — 20.3(h)
  • August — 16.6(h)

The largest precipitation sum in Siira is at

  • July — 116(mm)
  • August — 105(mm)
  • September — 120(mm)

    • Weather forecast in the closest to Siira admin centers

    Weather forecast in the closest towns to Siira

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    Frequently asked questions

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