Best year time to visit Sielva

General weather information about Sielva

Average annual temperature is 0.7 °C

Absolute maximum temperature: 24.1 °C

Absolute minimum temperature: -26.8 °C

Number of sunny days: 131 days

Number of rainy days: 148 days

Number of snow days: 86 days

Look at detailed online map of Sielva

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

Sielva air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.67.06.211.014.420.922.524.120.416.42.82.1
Average daytime temperature (°C)-5.1-1.01.43.38.915.317.316.415.38.1-1.3-2.2
Average temperature (°C)-10.6-8.6-3.9-1.94.09.611.510.88.82.0-6.4-8.1
Average night temperature (°C)-15.6-14.9-9.6-8.2-1.23.45.55.42.8-3.2-11.8-13.7
Absolute minimum temperature (°C)-24.1-26.8-16.7-16.9-10.3-1.2-1.3-1.6-6.0-10.5-20.3-23.5

Sielva 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)9.010.311.913.615.015.815.414.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)5.68.18.59.39.412.612.69.99.87.75.03.9
Precipitation (mm)2715516897647614257148118147
Sunny days1520124346131816614
Rainy days205927262518121473
Snow days14814171000011714

Sielva - weather forecast by months

Sielva weather in januarySielva weather in februarySielva weather in marchSielva weather in aprilSielva weather in maySielva weather in juneSielva weather in julySielva weather in augustSielva weather in septemberSielva weather in octoberSielva weather in novemberSielva weather in december

Best time to visit Sielva:

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

  • June — 12.6(h)
  • July — 12.6(h)

Months with the longest average daylight duration in Sielva:

  • June — 15.8(h)
  • July — 15.4(h)

The largest precipitation sum in Sielva is at

  • August — 142(mm)
  • October — 148(mm)
  • November — 118(mm)
  • December — 147(mm)

    • Weather forecast in the closest to Sielva admin centers

    Weather forecast in the closest towns to Sielva

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    Frequently asked questions

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