Best year time to visit Grandval

General weather information about Grandval

Average annual temperature is 10.1 °C

Absolute maximum temperature: 33.9 °C

Absolute minimum temperature: -7.3 °C

Number of sunny days: 115 days

Number of rainy days: 236 days

Number of snow days: 14 days

Look at detailed online map of Grandval

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

Grandval air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.513.316.917.822.328.831.533.928.425.413.310.6
Average daytime temperature (°C)3.66.79.610.716.624.123.423.622.717.07.25.5
Average temperature (°C)1.32.55.36.612.318.818.618.617.412.14.32.3
Average night temperature (°C)-1.1-1.20.92.47.713.214.113.912.57.61.4-0.1
Absolute minimum temperature (°C)-7.0-6.5-4.1-3.44.210.78.78.15.21.3-5.5-7.3

Grandval 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)2.36.36.77.28.913.511.610.110.27.53.33.4
Precipitation (mm)64241421361234618012938105217172
Sunny days614946117102114310
Rainy days15122226251924219172521
Snow days1020000000020

Grandval - weather forecast by months

Grandval weather in januaryGrandval weather in februaryGrandval weather in marchGrandval weather in aprilGrandval weather in mayGrandval weather in juneGrandval weather in julyGrandval weather in augustGrandval weather in septemberGrandval weather in octoberGrandval weather in novemberGrandval weather in december

Best time to visit Grandval:

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

  • June — 13.5(h)
  • July — 11.6(h)
  • August — 10.1(h)
  • September — 10.2(h)

Months with the longest average daylight duration in Grandval:

  • June — 15.9(h)
  • July — 15.5(h)

The largest precipitation sum in Grandval is at

  • July — 180(mm)
  • November — 217(mm)
  • December — 172(mm)

    • Weather forecast in the closest to Grandval admin centers

    Weather forecast in the closest towns to Grandval

    Explore Grandval

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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