Weather in Heerlen in July

General weather information about Heerlen

Average annual temperature is 11.7 °C

Absolute maximum temperature: 33.5 °C

Absolute minimum temperature: -4.6 °C

Number of sunny days: 109 days

Number of rainy days: 253 days

Number of snow days: 3 days

Look at detailed online map of Heerlen

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

Heerlen air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.214.016.918.823.529.533.527.930.225.415.111.3
Average daytime temperature (°C)6.58.010.012.418.024.722.922.123.316.99.37.8
Average temperature (°C)4.65.06.78.413.319.818.718.018.513.67.26.1
Average night temperature (°C)2.52.03.54.38.214.414.513.913.610.65.04.3
Absolute minimum temperature (°C)-4.5-4.2-4.6-2.72.89.110.710.59.01.7-2.3-3.1

Heerlen 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)8.510.011.913.815.516.416.014.512.610.79.08.0
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)2.74.75.57.511.112.910.89.89.36.23.62.2
Precipitation (mm)10227137745910610311396117158110
Sunny days71248121957181016
Rainy days221627221911262412212924
Snow days200000000001

Heerlen - weather forecast by months

Heerlen weather in januaryHeerlen weather in februaryHeerlen weather in marchHeerlen weather in aprilHeerlen weather in mayHeerlen weather in juneHeerlen weather in julyHeerlen weather in augustHeerlen weather in septemberHeerlen weather in octoberHeerlen weather in novemberHeerlen weather in december

Best time to visit Heerlen:

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

  • May — 11.1(h)
  • June — 12.9(h)
  • July — 10.8(h)
  • August — 9.8(h)
  • September — 9.3(h)

Months with the longest average daylight duration in Heerlen:

  • May — 15.5(h)
  • June — 16.4(h)
  • July — 16.0(h)

The largest precipitation sum in Heerlen is at

  • March — 137(mm)
  • November — 158(mm)

    • Weather forecast in the closest to Heerlen admin centers

    Weather forecast in the closest towns to Heerlen

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    Frequently asked questions

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