Best year time to visit Grandson

General weather information about Grandson

Average annual temperature is 10.7 °C

Absolute maximum temperature: 34.9 °C

Absolute minimum temperature: -7.8 °C

Number of sunny days: 146 days

Number of rainy days: 208 days

Number of snow days: 11 days

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

Grandson air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.213.016.619.522.529.233.934.928.423.813.010.6
Average daytime temperature (°C)4.06.99.611.217.124.924.225.222.816.98.06.3
Average temperature (°C)1.82.45.67.212.819.319.219.918.012.65.53.3
Average night temperature (°C)-0.6-1.01.73.18.613.314.315.213.28.52.80.8
Absolute minimum temperature (°C)-7.8-5.1-3.2-1.74.69.29.48.07.02.6-2.7-4.6

Grandson 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)3.37.37.48.210.513.212.410.610.47.63.53.7
Precipitation (mm)871316686109721397955152221206
Sunny days61791091511152216412
Rainy days16102120221520168152619
Snow days911000000000

Grandson - weather forecast by months

Grandson weather in januaryGrandson weather in februaryGrandson weather in marchGrandson weather in aprilGrandson weather in mayGrandson weather in juneGrandson weather in julyGrandson weather in augustGrandson weather in septemberGrandson weather in octoberGrandson weather in novemberGrandson weather in december

Best time to visit Grandson:

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

  • May — 10.5(h)
  • June — 13.2(h)
  • July — 12.4(h)
  • August — 10.6(h)
  • September — 10.4(h)

Months with the longest average daylight duration in Grandson:

  • June — 15.8(h)
  • July — 15.4(h)

The largest precipitation sum in Grandson is at

  • March — 166(mm)
  • October — 152(mm)
  • November — 221(mm)
  • December — 206(mm)

    • Weather forecast in the closest to Grandson admin centers

    Weather forecast in the closest towns to Grandson

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    Frequently asked questions

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