Best year time to visit Grellton

General weather information about Grellton

Average annual temperature is 10.1 °C

Absolute maximum temperature: 35.7 °C

Absolute minimum temperature: -28.1 °C

Number of sunny days: 186 days

Number of rainy days: 152 days

Number of snow days: 27 days

Look at detailed online map of Grellton

* Weather data for Grellton United States is based on climate observations for 2026 year

Grellton air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)8.210.620.025.531.331.833.135.733.428.218.012.7
Average daytime temperature (°C)1.22.96.214.822.327.328.227.224.015.68.05.3
Average temperature (°C)-2.5-2.40.78.615.120.622.521.718.911.53.41.8
Average night temperature (°C)-5.2-6.5-3.83.39.114.517.417.115.17.9-0.1-0.8
Absolute minimum temperature (°C)-28.1-23.8-14.4-3.4-0.26.512.39.78.5-2.8-12.4-7.9

Grellton monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.315.013.912.511.09.79.1
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.56.76.88.110.712.212.511.18.86.96.74.0
Precipitation (mm)48819899434711211367853851
Sunny days121511152021141613132115
Rainy days109121411917151718713
Snow days948100000023

Best time to visit Grellton:

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

  • May — 10.7(h)
  • June — 12.2(h)
  • July — 12.5(h)
  • August — 11.1(h)

Months with the longest average daylight duration in Grellton:

  • June — 15.3(h)

The largest precipitation sum in Grellton is at

  • March — 98(mm)
  • April — 99(mm)
  • July — 112(mm)
  • August — 113(mm)
  • Frequently asked questions

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