Best year time to visit Grandjean

General weather information about Grandjean

Average annual temperature is 14.1 °C

Absolute maximum temperature: 36.5 °C

Absolute minimum temperature: -4.1 °C

Number of sunny days: 142 days

Number of rainy days: 223 days

Look at detailed online map of Grandjean

* Weather data for Grandjean France is based on climate observations for 2026 year

Grandjean air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.316.621.823.427.731.031.136.535.129.719.215.8
Average daytime temperature (°C)9.110.913.916.221.026.224.726.026.521.113.611.2
Average temperature (°C)6.66.09.911.816.221.120.021.021.016.110.68.4
Average night temperature (°C)3.92.16.37.711.616.115.316.216.311.77.65.6
Absolute minimum temperature (°C)-3.6-4.1-2.20.86.513.811.710.49.17.1-1.2-1.5

Grandjean 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)9.110.411.913.514.915.715.314.112.510.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.66.37.08.812.111.711.811.010.37.25.03.9
Precipitation (mm)1383912410052170574467201202178
Sunny days9211091414913131578
Rainy days22721211716221817162323
Snow days000000000000

Grandjean - weather forecast by months

Grandjean weather in januaryGrandjean weather in februaryGrandjean weather in marchGrandjean weather in aprilGrandjean weather in mayGrandjean weather in juneGrandjean weather in julyGrandjean weather in augustGrandjean weather in septemberGrandjean weather in octoberGrandjean weather in novemberGrandjean weather in december

Best time to visit Grandjean:

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

  • May — 12.1(h)
  • June — 11.7(h)
  • July — 11.8(h)
  • August — 11.0(h)
  • September — 10.3(h)

Months with the longest average daylight duration in Grandjean:

  • June — 15.7(h)
  • July — 15.3(h)

The largest precipitation sum in Grandjean is at

  • June — 170(mm)
  • October — 201(mm)
  • November — 202(mm)
  • December — 178(mm)

    • Weather forecast in the closest to Grandjean admin centers

    Weather forecast in the closest towns to Grandjean

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    Frequently asked questions

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