Best year time to visit Grandmaison

General weather information about Grandmaison

Average annual temperature is 5.5 °C

Absolute maximum temperature: 32.1 °C

Absolute minimum temperature: -30.8 °C

Number of sunny days: 132 days

Number of rainy days: 164 days

Number of snow days: 69 days

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* Weather data for Grandmaison Canada is based on climate observations for 2026 year

Grandmaison air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.96.16.017.631.532.131.223.629.023.37.811.8
Average daytime temperature (°C)-4.0-6.71.59.216.220.825.520.521.014.12.0-0.1
Average temperature (°C)-7.7-11.7-2.73.510.115.820.616.515.610.0-1.8-3.6
Average night temperature (°C)-11.4-16.0-6.2-1.44.911.416.513.111.46.6-4.8-6.9
Absolute minimum temperature (°C)-25.4-30.8-15.5-11.8-1.25.111.79.23.9-3.9-11.6-13.8

Grandmaison monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)8.910.311.913.615.115.915.514.212.610.99.38.5
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.06.86.78.69.57.810.28.38.55.24.73.9
Precipitation (mm)144597238681281731901071085389
Sunny days9912131783415111417
Rainy days5431214222827151888
Snow days171516500000286

Grandmaison - weather forecast by months

Grandmaison weather in januaryGrandmaison weather in februaryGrandmaison weather in marchGrandmaison weather in aprilGrandmaison weather in mayGrandmaison weather in juneGrandmaison weather in julyGrandmaison weather in augustGrandmaison weather in septemberGrandmaison weather in octoberGrandmaison weather in novemberGrandmaison weather in december

Best time to visit Grandmaison:

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

  • May — 9.5(h)
  • July — 10.2(h)

Months with the longest average daylight duration in Grandmaison:

  • June — 15.9(h)
  • July — 15.5(h)

The largest precipitation sum in Grandmaison is at

  • January — 144(mm)
  • July — 173(mm)
  • August — 190(mm)

    • Weather forecast in the closest to Grandmaison admin centers

    Weather forecast in the closest towns to Grandmaison

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    Frequently asked questions

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