Best year time to visit Grassau

General weather information about Grassau

Average annual temperature is 11.1 °C

Absolute maximum temperature: 33.7 °C

Absolute minimum temperature: -5.6 °C

Number of sunny days: 121 days

Number of rainy days: 240 days

Number of snow days: 4 days

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* Weather data for Grassau Germany is based on climate observations for 2026 year

Grassau air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.712.216.921.626.429.833.731.029.624.414.211.1
Average daytime temperature (°C)6.56.79.312.218.724.323.723.323.515.48.35.8
Average temperature (°C)4.43.65.77.913.719.219.119.018.212.36.04.2
Average night temperature (°C)2.20.62.43.38.213.514.514.913.29.33.42.1
Absolute minimum temperature (°C)-4.3-5.6-5.5-2.73.16.711.210.88.30.3-4.2-5.4

Grassau monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.39.911.914.015.816.816.314.712.710.68.77.7
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)2.53.94.97.911.412.510.79.710.04.53.61.9
Precipitation (mm)9145783816689795359298123
Sunny days71361121135723537
Rainy days22142519101726247262624
Snow days210000000010

Grassau - weather forecast by months

Grassau weather in januaryGrassau weather in februaryGrassau weather in marchGrassau weather in aprilGrassau weather in mayGrassau weather in juneGrassau weather in julyGrassau weather in augustGrassau weather in septemberGrassau weather in octoberGrassau weather in novemberGrassau weather in december

Best time to visit Grassau:

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

  • May — 11.4(h)
  • June — 12.5(h)
  • July — 10.7(h)
  • August — 9.7(h)
  • September — 10.0(h)

Months with the longest average daylight duration in Grassau:

  • May — 15.8(h)
  • June — 16.8(h)
  • July — 16.3(h)

The largest precipitation sum in Grassau is at

  • July — 97(mm)
  • August — 95(mm)
  • October — 92(mm)
  • November — 98(mm)
  • December — 123(mm)

    • Weather forecast in the closest to Grassau admin centers

    Weather forecast in the closest towns to Grassau

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    Frequently asked questions

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