Weather in Grenchen in May

General weather information about Grenchen

Average annual temperature is 11.4 °C

Absolute maximum temperature: 36.3 °C

Absolute minimum temperature: -6.6 °C

Number of sunny days: 131 days

Number of rainy days: 221 days

Number of snow days: 13 days

Look at detailed online map of Grenchen

* Weather data for Grenchen Switzerland is based on climate observations for 2026 year

Grenchen air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.814.318.219.523.530.433.236.330.126.315.012.1
Average daytime temperature (°C)5.28.311.212.318.325.825.425.724.318.58.86.7
Average temperature (°C)2.63.46.68.113.820.220.320.418.713.35.83.6
Average night temperature (°C)0.1-0.52.03.99.114.215.515.513.68.72.81.1
Absolute minimum temperature (°C)-6.6-5.6-3.3-2.15.911.09.99.56.92.8-3.6-6.6

Grenchen monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.010.311.913.615.115.915.514.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)2.56.46.77.79.113.511.910.410.37.63.63.5
Precipitation (mm)55201401161194018211641100197169
Sunny days1015958178102015410
Rainy days131122252313232110162420
Snow days820000000021

Grenchen - weather forecast by months

Grenchen weather in januaryGrenchen weather in februaryGrenchen weather in marchGrenchen weather in aprilGrenchen weather in mayGrenchen weather in juneGrenchen weather in julyGrenchen weather in augustGrenchen weather in septemberGrenchen weather in octoberGrenchen weather in novemberGrenchen weather in december

Best time to visit Grenchen:

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

  • June — 13.5(h)
  • July — 11.9(h)
  • August — 10.4(h)
  • September — 10.3(h)

Months with the longest average daylight duration in Grenchen:

  • June — 15.9(h)
  • July — 15.5(h)

The largest precipitation sum in Grenchen is at

  • March — 140(mm)
  • July — 182(mm)
  • November — 197(mm)
  • December — 169(mm)

    • Weather forecast in the closest to Grenchen admin centers

    Weather forecast in the closest towns to Grenchen

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    Frequently asked questions

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