Best year time to visit Herstal

General weather information about Herstal

Average annual temperature is 11.3 °C

Absolute maximum temperature: 31.3 °C

Absolute minimum temperature: -5.1 °C

Number of sunny days: 111 days

Number of rainy days: 253 days

Number of snow days: 1 day

Look at detailed online map of Herstal

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

Herstal air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.113.115.918.323.128.931.327.229.425.214.611.0
Average daytime temperature (°C)6.17.89.711.917.424.422.621.522.716.69.17.6
Average temperature (°C)4.14.66.57.912.819.518.517.618.013.16.95.8
Average night temperature (°C)2.01.63.13.67.613.914.113.513.39.84.93.9
Absolute minimum temperature (°C)-5.1-4.5-4.7-3.22.28.99.710.08.11.4-2.6-3.8

Herstal 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)8.610.011.913.815.516.416.014.512.610.79.08.1
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)2.65.25.37.510.712.810.69.69.36.33.02.4
Precipitation (mm)100221388357941311239310914590
Sunny days71458121857171116
Rainy days231426221912262413202925
Snow days100000000000

Herstal - weather forecast by months

Herstal weather in januaryHerstal weather in februaryHerstal weather in marchHerstal weather in aprilHerstal weather in mayHerstal weather in juneHerstal weather in julyHerstal weather in augustHerstal weather in septemberHerstal weather in octoberHerstal weather in novemberHerstal weather in december

Best time to visit Herstal:

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

  • May — 10.7(h)
  • June — 12.8(h)
  • July — 10.6(h)
  • August — 9.6(h)
  • September — 9.3(h)

Months with the longest average daylight duration in Herstal:

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

The largest precipitation sum in Herstal is at

  • March — 138(mm)
  • July — 131(mm)
  • November — 145(mm)

    • Weather forecast in the closest to Herstal admin centers

    Weather forecast in the closest towns to Herstal

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    Frequently asked questions

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