ClimateForecastNovemberDecember >>

Granby Climate by Month

The climate in Granby is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to very cold in the cooler months. It also has a relatively rain/snowy climate with high levels of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

In Granby, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C in July to a very cold -4°C in January. Nighttime temperatures can drop, with averages reaching -14°C in January.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Granby experiences significant rain/snowfall throughout the year, averaging 1263 mm of precipitation annually. The wettest period in Granby occurs in June, which receives around 129 mm of precipitation. During the driest month, February, Granby experiences moderate snowfall, totaling approximately 79 mm. The consistent precipitation levels throughout the year contribute to a relatively stable climate.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

In Granby, summer days are longer and more sunny, with daily sunshine hours peaking at 9.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.7 hours.

Monthly hours of sunshine

Data from: Montréal, Canada (66 KM, 41 Miles).

Daily hours of sunshine

Data from: Montréal, Canada (66 KM, 41 Miles).

The best time of year to visit Granby in Canada

During the months of June, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is winter in Granby?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Granby?
    July has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Granby?
    The coldest month is January with an average maximum temperature of -4°C.
  • Which is the wettest month in Granby?
    June tops the wettest month list with 129 mm of rainfall.
  • Which is the driest month in Granby?
    February is the driest month with 79 mm of precipitation.
  • Which is the sunniest month in Granby?
    July is the sunniest month with an average of 272 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Granby

    Thu   Nov 21
    9°C | 4°C
    E 14 km/h
    broken clouds and no rain

    broken clouds and no rain

    Fri   Nov 22
    11°C | 3°C
    E 14 km/h
    3.5 mm
    partly cloudy and rain

    partly cloudy and rain

    Sat   Nov 23
    5°C | 2°C
    N 11 km/h
    17 mm
    overcast and heavy rain

    overcast and heavy rain