Best year time to visit Gillern

General weather information about Gillern

Average annual temperature is 6.1 °C

Absolute maximum temperature: 29.6 °C

Absolute minimum temperature: -18.8 °C

Number of sunny days: 129 days

Number of rainy days: 182 days

Number of snow days: 54 days

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

Gillern air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.35.86.417.723.129.624.328.120.715.28.44.0
Average daytime temperature (°C)-0.1-0.11.010.015.921.921.020.718.27.21.7-2.8
Average temperature (°C)-2.2-2.8-2.54.710.716.816.817.114.94.6-0.1-4.8
Average night temperature (°C)-4.6-7.5-7.3-0.94.210.012.113.211.11.8-2.4-7.3
Absolute minimum temperature (°C)-16.1-17.8-18.8-10.9-2.43.68.110.15.1-4.6-11.6-15.9

Gillern 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)6.89.111.814.617.218.818.015.612.910.17.55.9
Daylight minimum duration (h)5.07.010.013.016.018.016.014.011.08.06.05.0
Sunshine mean duration (h)1.02.45.911.313.215.613.49.58.34.51.20.6
Precipitation (mm)11449822145208414261987871
Sunny days913102317182610966
Rainy days148971312292520181611
Snow days87120100004814

Gillern - weather forecast by months

Gillern weather in januaryGillern weather in februaryGillern weather in marchGillern weather in aprilGillern weather in mayGillern weather in juneGillern weather in julyGillern weather in augustGillern weather in septemberGillern weather in octoberGillern weather in novemberGillern weather in december

Best time to visit Gillern:

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

  • April — 11.3(h)
  • May — 13.2(h)
  • June — 15.6(h)
  • July — 13.4(h)
  • August — 9.5(h)

Months with the longest average daylight duration in Gillern:

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

The largest precipitation sum in Gillern is at

  • January — 114(mm)
  • August — 142(mm)
  • October — 98(mm)

    • Weather forecast in the closest to Gillern admin centers

    Weather forecast in the closest towns to Gillern

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    Frequently asked questions

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