Best year time to visit Grotten

General weather information about Grotten

Average annual temperature is 6.5 °C

Absolute maximum temperature: 30.9 °C

Absolute minimum temperature: -14.0 °C

Number of sunny days: 150 days

Number of rainy days: 167 days

Number of snow days: 48 days

Look at detailed online map of Grotten

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

Grotten air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)5.48.17.017.623.630.925.422.824.216.05.77.5
Average daytime temperature (°C)0.12.72.29.516.823.919.318.917.58.31.4-2.9
Average temperature (°C)-2.1-0.5-1.34.911.718.916.015.814.25.6-0.4-5.2
Average night temperature (°C)-4.8-4.0-5.60.55.913.312.513.010.92.9-2.2-7.9
Absolute minimum temperature (°C)-13.6-11.6-13.6-8.70.56.310.29.57.2-3.1-10.2-14.0

Grotten 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)6.99.211.814.617.218.717.915.612.910.17.66.1
Daylight minimum duration (h)6.07.010.013.015.018.016.014.011.08.06.05.0
Sunshine mean duration (h)2.05.56.48.612.714.211.28.06.65.01.61.1
Precipitation (mm)13044771551754190265145457764
Sunny days91613142122227201014
Rainy days13510151082929238125
Snow days9781000003812

Grotten - weather forecast by months

Grotten weather in januaryGrotten weather in februaryGrotten weather in marchGrotten weather in aprilGrotten weather in mayGrotten weather in juneGrotten weather in julyGrotten weather in augustGrotten weather in septemberGrotten weather in octoberGrotten weather in novemberGrotten weather in december

Best time to visit Grotten:

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

  • May — 12.7(h)
  • June — 14.2(h)
  • July — 11.2(h)

Months with the longest average daylight duration in Grotten:

  • May — 17.2(h)
  • June — 18.7(h)
  • July — 17.9(h)
  • August — 15.6(h)

The largest precipitation sum in Grotten is at

  • April — 155(mm)
  • July — 190(mm)
  • August — 265(mm)
  • September — 145(mm)

    • Weather forecast in the closest to Grotten admin centers

    Weather forecast in the closest towns to Grotten

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    Frequently asked questions

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