Best year time to visit Grunnan

General weather information about Grunnan

Average annual temperature is 5.9 °C

Absolute maximum temperature: 27.7 °C

Absolute minimum temperature: -10.0 °C

Number of sunny days: 108 days

Number of rainy days: 215 days

Number of snow days: 42 days

Look at detailed online map of Grunnan

* Weather data for Grunnan Norway is based on climate observations for 2026 year

Grunnan air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)8.28.36.711.317.627.723.726.922.311.85.27.8
Average daytime temperature (°C)3.44.20.57.010.213.916.317.114.36.51.0-0.6
Average temperature (°C)1.82.5-1.54.67.811.614.414.912.35.0-0.5-2.1
Average night temperature (°C)-0.10.8-4.11.85.18.812.212.210.23.3-2.3-3.6
Absolute minimum temperature (°C)-5.7-4.1-10.0-4.9-1.73.810.78.65.0-4.4-9.1-8.1

Grunnan monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)6.09.013.016.020.021.021.018.014.011.07.04.0
Daylight mean duration (h)5.28.411.815.218.821.520.016.513.19.76.33.9
Daylight minimum duration (h)3.06.010.013.017.020.018.014.011.07.04.03.0
Sunshine mean duration (h)0.82.66.49.59.511.611.710.66.04.12.40.7
Precipitation (mm)13312386459375876715316642109
Sunny days22715131389281514
Rainy days2222715181723222823108
Snow days7417000000059

Grunnan - weather forecast by months

Grunnan weather in januaryGrunnan weather in februaryGrunnan weather in marchGrunnan weather in aprilGrunnan weather in mayGrunnan weather in juneGrunnan weather in julyGrunnan weather in augustGrunnan weather in septemberGrunnan weather in octoberGrunnan weather in novemberGrunnan weather in december

Best time to visit Grunnan:

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

  • April — 9.5(h)
  • May — 9.5(h)
  • June — 11.6(h)
  • July — 11.7(h)
  • August — 10.6(h)

Months with the longest average daylight duration in Grunnan:

  • May — 18.8(h)
  • June — 21.5(h)
  • July — 20.0(h)
  • August — 16.5(h)

The largest precipitation sum in Grunnan is at

  • January — 133(mm)
  • September — 153(mm)
  • October — 166(mm)

    • Weather forecast in the closest to Grunnan admin centers

    Weather forecast in the closest towns to Grunnan

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    Frequently asked questions

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