Best year time to visit Illiswil

General weather information about Illiswil

Average annual temperature is 10.9 °C

Absolute maximum temperature: 36.4 °C

Absolute minimum temperature: -10.6 °C

Number of sunny days: 150 days

Number of rainy days: 210 days

Number of snow days: 5 days

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

Illiswil air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.413.017.218.723.630.233.136.429.924.814.810.7
Average daytime temperature (°C)4.67.110.511.617.925.925.025.623.917.78.46.1
Average temperature (°C)1.92.36.07.613.219.919.820.217.912.65.63.5
Average night temperature (°C)-1.0-1.51.73.48.813.615.014.912.68.02.50.8
Absolute minimum temperature (°C)-10.6-5.9-4.4-2.45.810.49.88.76.02.5-3.5-6.6

Illiswil 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)9.010.311.913.615.115.815.514.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.06.97.28.29.813.412.210.410.47.73.83.9
Precipitation (mm)62131519897651258744109232182
Sunny days13181279188132116411
Rainy days1591923221223189152619
Snow days310000000001

Illiswil - weather forecast by months

Illiswil weather in januaryIlliswil weather in februaryIlliswil weather in marchIlliswil weather in aprilIlliswil weather in mayIlliswil weather in juneIlliswil weather in julyIlliswil weather in augustIlliswil weather in septemberIlliswil weather in octoberIlliswil weather in novemberIlliswil weather in december

Best time to visit Illiswil:

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

  • June — 13.4(h)
  • July — 12.2(h)
  • August — 10.4(h)
  • September — 10.4(h)

Months with the longest average daylight duration in Illiswil:

  • June — 15.8(h)
  • July — 15.5(h)

The largest precipitation sum in Illiswil is at

  • March — 151(mm)
  • November — 232(mm)
  • December — 182(mm)

    • Weather forecast in the closest to Illiswil admin centers

    Weather forecast in the closest towns to Illiswil

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    Frequently asked questions

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