Best year time to visit Grundören

General weather information about Grundören

Average annual temperature is 4.5 °C

Absolute maximum temperature: 29.7 °C

Absolute minimum temperature: -18.9 °C

Number of sunny days: 137 days

Number of rainy days: 158 days

Number of snow days: 70 days

Look at detailed online map of Grundören

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

Grundören air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.65.04.313.921.628.224.529.722.512.05.24.3
Average daytime temperature (°C)-0.8-0.7-1.95.813.119.118.920.016.54.7-1.0-4.0
Average temperature (°C)-2.4-2.8-4.81.18.915.115.916.513.72.2-3.0-6.1
Average night temperature (°C)-4.3-5.1-8.1-3.54.510.012.112.810.50.0-5.5-8.7
Absolute minimum temperature (°C)-15.3-12.5-15.1-13.7-1.91.99.69.14.3-8.2-18.3-18.9

Grundören monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.019.020.020.017.014.011.08.05.0
Daylight mean duration (h)5.88.711.815.018.220.419.316.213.09.86.74.7
Daylight minimum duration (h)4.07.010.013.016.019.017.014.011.08.05.04.0
Sunshine mean duration (h)1.43.25.89.713.015.012.110.16.55.20.70.5
Precipitation (mm)552744504329119126105887040
Sunny days9121220161875714710
Rainy days1152912122426231798
Snow days11111713000001413

Grundören - weather forecast by months

Grundören weather in januaryGrundören weather in februaryGrundören weather in marchGrundören weather in aprilGrundören weather in mayGrundören weather in juneGrundören weather in julyGrundören weather in augustGrundören weather in septemberGrundören weather in octoberGrundören weather in novemberGrundören weather in december

Best time to visit Grundören:

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

  • April — 9.7(h)
  • May — 13.0(h)
  • June — 15.0(h)
  • July — 12.1(h)
  • August — 10.1(h)

Months with the longest average daylight duration in Grundören:

  • May — 18.2(h)
  • June — 20.4(h)
  • July — 19.3(h)
  • August — 16.2(h)

The largest precipitation sum in Grundören is at

  • July — 119(mm)
  • August — 126(mm)
  • September — 105(mm)
  • October — 88(mm)

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    Frequently asked questions

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