Best year time to visit Olen

General weather information about Olen

Average annual temperature is 12.0 °C

Absolute maximum temperature: 32.3 °C

Absolute minimum temperature: -5.5 °C

Number of sunny days: 120 days

Number of rainy days: 244 days

Number of snow days: 1 day

Look at detailed online map of Olen

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

Olen air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.612.417.517.524.530.832.327.431.125.215.212.0
Average daytime temperature (°C)7.38.610.612.718.525.423.022.123.417.110.18.6
Average temperature (°C)5.25.27.28.713.620.418.718.018.513.67.66.6
Average night temperature (°C)3.01.83.84.28.314.514.113.913.510.45.14.4
Absolute minimum temperature (°C)-3.8-4.6-3.5-1.63.29.710.410.48.12.3-3.3-5.5

Olen 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)8.510.011.913.915.616.516.014.512.610.78.98.0
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)2.94.15.17.710.913.011.010.09.26.13.52.2
Precipitation (mm)9219133816149118905513113194
Sunny days8124916225717929
Rainy days22162721158262413222822
Snow days100000000000

Olen - weather forecast by months

Olen weather in januaryOlen weather in februaryOlen weather in marchOlen weather in aprilOlen weather in mayOlen weather in juneOlen weather in julyOlen weather in augustOlen weather in septemberOlen weather in octoberOlen weather in novemberOlen weather in december

Best time to visit Olen:

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

  • May — 10.9(h)
  • June — 13.0(h)
  • July — 11.0(h)
  • August — 10.0(h)
  • September — 9.2(h)

Months with the longest average daylight duration in Olen:

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

The largest precipitation sum in Olen is at

  • March — 133(mm)
  • July — 118(mm)
  • October — 131(mm)
  • November — 131(mm)

    • Weather forecast in the closest to Olen admin centers

    Weather forecast in the closest towns to Olen

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    Frequently asked questions

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