Best year time to visit Gros Fornis

General weather information about Gros Fornis

Average annual temperature is 8.4 °C

Absolute maximum temperature: 32.0 °C

Absolute minimum temperature: -19.2 °C

Number of sunny days: 119 days

Number of rainy days: 217 days

Number of snow days: 29 days

Look at detailed online map of Gros Fornis

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

Gros Fornis air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.715.016.117.320.426.031.632.026.725.113.411.8
Average daytime temperature (°C)3.37.89.19.915.821.722.522.421.917.46.75.6
Average temperature (°C)-1.31.33.55.410.616.317.317.115.711.02.60.5
Average night temperature (°C)-6.0-4.1-1.60.64.810.111.511.19.45.4-2.3-4.8
Absolute minimum temperature (°C)-19.2-14.2-10.4-5.11.95.44.73.72.5-0.6-16.0-17.1

Gros Fornis 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)9.110.311.913.615.015.815.414.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)4.47.77.18.09.712.912.310.610.47.73.34.1
Precipitation (mm)1052519814215111814816087129316236
Sunny days1116127565111516411
Rainy days10616212624262015152216
Snow days1063200000044

Gros Fornis - weather forecast by months

Gros Fornis weather in januaryGros Fornis weather in februaryGros Fornis weather in marchGros Fornis weather in aprilGros Fornis weather in mayGros Fornis weather in juneGros Fornis weather in julyGros Fornis weather in augustGros Fornis weather in septemberGros Fornis weather in octoberGros Fornis weather in novemberGros Fornis weather in december

Best time to visit Gros Fornis:

The best time to visit Gros Fornis during the most sunny months:

  • June — 12.9(h)
  • July — 12.3(h)
  • August — 10.6(h)
  • September — 10.4(h)

Months with the longest average daylight duration in Gros Fornis:

  • June — 15.8(h)
  • July — 15.4(h)

The largest precipitation sum in Gros Fornis is at

  • March — 198(mm)
  • November — 316(mm)
  • December — 236(mm)

    • Weather forecast in the closest to Gros Fornis admin centers

    Weather forecast in the closest towns to Gros Fornis

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    Frequently asked questions

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