Best year time to visit Grummelen

General weather information about Grummelen

Average annual temperature is 11.8 °C

Absolute maximum temperature: 34.3 °C

Absolute minimum temperature: -13.1 °C

Number of sunny days: 112 days

Number of rainy days: 224 days

Number of snow days: 29 days

Look at detailed online map of Grummelen

* Weather data for Grummelen Switzerland is based on climate observations for 2026 year

Grummelen air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.116.319.619.823.631.333.834.328.627.316.414.4
Average daytime temperature (°C)5.79.112.212.117.824.825.325.123.820.210.29.1
Average temperature (°C)2.23.77.38.513.820.020.620.418.814.66.34.6
Average night temperature (°C)-2.0-1.82.34.79.113.315.815.313.59.61.90.5
Absolute minimum temperature (°C)-13.1-11.6-2.4-1.55.79.110.59.37.55.0-7.8-11.4

Grummelen monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.010.311.913.615.115.815.414.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.66.97.06.88.113.211.410.310.17.73.54.0
Precipitation (mm)79601591581768422519873122234198
Sunny days81610531167181639
Rainy days9618242819252412152618
Snow days1463100000014

Grummelen - weather forecast by months

Grummelen weather in januaryGrummelen weather in februaryGrummelen weather in marchGrummelen weather in aprilGrummelen weather in mayGrummelen weather in juneGrummelen weather in julyGrummelen weather in augustGrummelen weather in septemberGrummelen weather in octoberGrummelen weather in novemberGrummelen weather in december

Best time to visit Grummelen:

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

  • June — 13.2(h)
  • July — 11.4(h)
  • August — 10.3(h)
  • September — 10.1(h)

Months with the longest average daylight duration in Grummelen:

  • June — 15.8(h)
  • July — 15.4(h)

The largest precipitation sum in Grummelen is at

  • July — 225(mm)
  • August — 198(mm)
  • November — 234(mm)
  • December — 198(mm)

    • Weather forecast in the closest to Grummelen admin centers

    Weather forecast in the closest towns to Grummelen

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    Frequently asked questions

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