Best year time to visit Grand River

General weather information about Grand River

Average annual temperature is 7.9 °C

Absolute maximum temperature: 26.5 °C

Absolute minimum temperature: -26.5 °C

Number of sunny days: 137 days

Number of rainy days: 199 days

Number of snow days: 29 days

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

Grand River air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)10.68.87.113.721.826.526.022.424.521.813.412.2
Average daytime temperature (°C)4.20.02.37.511.016.421.421.019.914.97.24.8
Average temperature (°C)1.3-4.0-0.63.67.312.818.818.716.912.14.32.3
Average night temperature (°C)-1.3-7.8-3.10.44.310.116.916.314.69.71.90.2
Absolute minimum temperature (°C)-6.8-26.5-8.6-4.80.56.313.712.59.33.3-4.0-4.8

Grand River 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)9.210.411.913.514.915.615.314.112.510.99.58.8
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)2.85.36.49.39.76.97.39.18.16.54.63.9
Precipitation (mm)24310093468910020118892230182278
Sunny days99121513128815141111
Rainy days18109141818232315171816
Snow days4910100000014

Grand River - weather forecast by months

Grand River weather in januaryGrand River weather in februaryGrand River weather in marchGrand River weather in aprilGrand River weather in mayGrand River weather in juneGrand River weather in julyGrand River weather in augustGrand River weather in septemberGrand River weather in octoberGrand River weather in novemberGrand River weather in december

Best time to visit Grand River:

The best time to visit Grand River during the most sunny months:

  • April — 9.3(h)
  • May — 9.7(h)
  • August — 9.1(h)

Months with the longest average daylight duration in Grand River:

  • June — 15.6(h)
  • July — 15.3(h)

The largest precipitation sum in Grand River is at

  • January — 243(mm)
  • July — 201(mm)
  • October — 230(mm)
  • December — 278(mm)

    • Weather forecast in the closest to Grand River admin centers

    Weather forecast in the closest towns to Grand River

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    Frequently asked questions

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