Best year time to visit Heiterswil

General weather information about Heiterswil

Average annual temperature is 9.1 °C

Absolute maximum temperature: 31.5 °C

Absolute minimum temperature: -11.5 °C

Number of sunny days: 106 days

Number of rainy days: 232 days

Number of snow days: 27 days

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

Heiterswil air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.713.816.117.221.031.530.729.925.223.112.311.7
Average daytime temperature (°C)2.85.88.29.115.222.421.821.520.816.56.15.2
Average temperature (°C)-0.21.24.45.511.517.617.517.416.612.03.22.0
Average night temperature (°C)-3.6-2.80.42.17.512.413.313.612.58.00.3-0.7
Absolute minimum temperature (°C)-11.5-10.7-6.8-4.72.69.28.36.65.81.2-8.1-10.7

Heiterswil 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)3.56.46.76.68.113.511.19.69.97.32.93.5
Precipitation (mm)88601681961687119726167141337217
Sunny days91410537691416310
Rainy days13916242823252216152417
Snow days955100000034

Heiterswil - weather forecast by months

Heiterswil weather in januaryHeiterswil weather in februaryHeiterswil weather in marchHeiterswil weather in aprilHeiterswil weather in mayHeiterswil weather in juneHeiterswil weather in julyHeiterswil weather in augustHeiterswil weather in septemberHeiterswil weather in octoberHeiterswil weather in novemberHeiterswil weather in december

Best time to visit Heiterswil:

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

  • June — 13.5(h)
  • July — 11.1(h)
  • August — 9.6(h)
  • September — 9.9(h)

Months with the longest average daylight duration in Heiterswil:

  • June — 15.9(h)
  • July — 15.5(h)

The largest precipitation sum in Heiterswil is at

  • August — 261(mm)
  • November — 337(mm)
  • December — 217(mm)

    • Weather forecast in the closest to Heiterswil admin centers

    Weather forecast in the closest towns to Heiterswil

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    Frequently asked questions

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