Best year time to visit Heelsum

General weather information about Heelsum

Average annual temperature is 11.5 °C

Absolute maximum temperature: 31.7 °C

Absolute minimum temperature: -5.4 °C

Number of sunny days: 114 days

Number of rainy days: 248 days

Number of snow days: 3 days

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* Weather data for Heelsum Netherlands is based on climate observations for 2026 year

Heelsum air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.911.816.118.023.230.431.727.130.123.314.811.6
Average daytime temperature (°C)7.18.39.612.317.924.722.021.622.616.09.67.8
Average temperature (°C)5.05.26.58.313.419.618.117.618.113.17.25.9
Average night temperature (°C)3.02.53.64.48.714.114.513.913.810.44.83.8
Absolute minimum temperature (°C)-3.4-2.7-3.1-1.53.48.611.110.99.05.0-2.7-5.4

Heelsum 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)8.49.911.913.915.716.616.214.612.710.78.87.8
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)2.94.25.28.211.212.911.210.19.35.23.91.8
Precipitation (mm)1163512280674312610454161140137
Sunny days9155914214714826
Rainy days21132621179272416232625
Snow days100000000020

Heelsum - weather forecast by months

Heelsum weather in januaryHeelsum weather in februaryHeelsum weather in marchHeelsum weather in aprilHeelsum weather in mayHeelsum weather in juneHeelsum weather in julyHeelsum weather in augustHeelsum weather in septemberHeelsum weather in octoberHeelsum weather in novemberHeelsum weather in december

Best time to visit Heelsum:

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

  • May — 11.2(h)
  • June — 12.9(h)
  • July — 11.2(h)
  • August — 10.1(h)
  • September — 9.3(h)

Months with the longest average daylight duration in Heelsum:

  • May — 15.7(h)
  • June — 16.6(h)
  • July — 16.2(h)

The largest precipitation sum in Heelsum is at

  • July — 126(mm)
  • October — 161(mm)
  • November — 140(mm)
  • December — 137(mm)

    • Weather forecast in the closest to Heelsum admin centers

    Weather forecast in the closest towns to Heelsum

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    Frequently asked questions

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