Best year time to visit Grethen

General weather information about Grethen

Average annual temperature is 11.2 °C

Absolute maximum temperature: 34.5 °C

Absolute minimum temperature: -7.2 °C

Number of sunny days: 119 days

Number of rainy days: 233 days

Number of snow days: 13 days

Look at detailed online map of Grethen

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

Grethen air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.012.817.221.225.630.434.531.528.825.115.010.9
Average daytime temperature (°C)6.16.710.011.518.223.925.124.024.116.78.46.2
Average temperature (°C)4.13.15.97.613.318.720.219.518.313.16.04.1
Average night temperature (°C)1.9-0.22.33.47.513.014.915.513.09.73.62.1
Absolute minimum temperature (°C)-4.4-7.2-5.0-2.11.86.811.010.57.60.7-4.7-5.3

Grethen monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.510.011.913.915.616.516.114.512.610.78.98.0
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)2.34.25.46.911.512.312.19.310.45.23.42.1
Precipitation (mm)626991591576549517116120124
Sunny days9118919149319945
Rainy days181323211216222811222324
Snow days440000000032

Grethen - weather forecast by months

Grethen weather in januaryGrethen weather in februaryGrethen weather in marchGrethen weather in aprilGrethen weather in mayGrethen weather in juneGrethen weather in julyGrethen weather in augustGrethen weather in septemberGrethen weather in octoberGrethen weather in novemberGrethen weather in december

Best time to visit Grethen:

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

  • May — 11.5(h)
  • June — 12.3(h)
  • July — 12.1(h)
  • August — 9.3(h)
  • September — 10.4(h)

Months with the longest average daylight duration in Grethen:

  • May — 15.6(h)
  • June — 16.5(h)
  • July — 16.1(h)

The largest precipitation sum in Grethen is at

  • August — 95(mm)
  • October — 116(mm)
  • November — 120(mm)
  • December — 124(mm)

    • Weather forecast in the closest to Grethen admin centers

    Weather forecast in the closest towns to Grethen

    Explore Grethen

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    Frequently asked questions

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