Best year time to visit Groendaal

General weather information about Groendaal

Average annual temperature is 11.7 °C

Absolute maximum temperature: 31.3 °C

Absolute minimum temperature: -4.9 °C

Number of sunny days: 123 days

Number of rainy days: 241 days

Number of snow days: 1 day

Look at detailed online map of Groendaal

* Weather data for Groendaal Belgium is based on climate observations for 2026 year

Groendaal air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.111.316.416.622.630.730.626.831.324.715.012.6
Average daytime temperature (°C)7.78.710.312.116.924.522.121.522.917.010.28.9
Average temperature (°C)5.45.37.18.312.519.218.117.618.313.57.96.8
Average night temperature (°C)2.92.03.84.27.913.414.113.513.710.45.64.4
Absolute minimum temperature (°C)-4.2-4.4-2.1-2.13.29.611.110.19.23.3-2.0-4.9

Groendaal 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)8.510.011.913.815.616.516.014.512.610.79.08.0
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)3.94.54.78.110.813.110.910.68.96.33.42.2
Precipitation (mm)959139885031107846812415089
Sunny days71531018205818937
Rainy days241228201310262312222724
Snow days010000000000

Groendaal - weather forecast by months

Groendaal weather in januaryGroendaal weather in februaryGroendaal weather in marchGroendaal weather in aprilGroendaal weather in mayGroendaal weather in juneGroendaal weather in julyGroendaal weather in augustGroendaal weather in septemberGroendaal weather in octoberGroendaal weather in novemberGroendaal weather in december

Best time to visit Groendaal:

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

  • May — 10.8(h)
  • June — 13.1(h)
  • July — 10.9(h)
  • August — 10.6(h)

Months with the longest average daylight duration in Groendaal:

  • May — 15.6(h)
  • June — 16.5(h)
  • July — 16.0(h)

The largest precipitation sum in Groendaal is at

  • March — 139(mm)
  • October — 124(mm)
  • November — 150(mm)

    • Weather forecast in the closest to Groendaal admin centers

    Weather forecast in the closest towns to Groendaal

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    MapTrains schedule
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    Frequently asked questions

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