ClimateForecastNovemberDecember >>

Saint-Jean-sur-Richelieu Climate by Month

The temperature in Saint-Jean-sur-Richelieu can vary greatly throughout the year. The temperatures shift from warm to very cold. It is also known for its large amounts of rain/snowfall. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

Depending on the time of the year, temperatures range from comfortable to very cold in Saint-Jean-sur-Richelieu. Typically, daytime temperatures range from a comfortable 28°C in July to a very cold -3°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -13°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Saint-Jean-sur-Richelieu has a relatively rain/snowy climate with high precipitation levels, averaging 1195 mm of rain/snowfall annually. Saint-Jean-sur-Richelieu offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between June (124 mm) and February (72 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

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

Sunshine over the year

For those who appreciate different seasons, Saint-Jean-sur-Richelieu serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.1 hours of sunshine daily, and embrace the darker days in December, offering only 2.7 hours of daily sunlight.

Monthly hours of sunshine

Data from: Montréal, Canada (33 KM, 20 Miles).

Daily hours of sunshine

Data from: Montréal, Canada (33 KM, 20 Miles).

The best time of year to visit Saint-Jean-sur-Richelieu in Canada

During the months of May, June 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 Saint-Jean-sur-Richelieu?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Saint-Jean-sur-Richelieu?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Saint-Jean-sur-Richelieu?
    The coldest month is January with an average maximum temperature of -3°C.
  • Which is the wettest month in Saint-Jean-sur-Richelieu?
    June tops the wettest month list with 124 mm of rainfall.
  • Which is the driest month in Saint-Jean-sur-Richelieu?
    February is the driest month with 72 mm of precipitation.
  • Which is the sunniest month in Saint-Jean-sur-Richelieu?
    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 Saint-Jean-sur-Richelieu

    Thu   Nov 21
    9°C | 3°C
    NE 11 km/h
    0.1 mm
    broken clouds and slight rain

    broken clouds and slight rain

    Fri   Nov 22
    11°C | 3°C
    NE 18 km/h
    4.1 mm
    partly cloudy and rain

    partly cloudy and rain

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

    overcast and heavy rain