ClimateForecastDecemberJanuary >>

Laval Climate by Month

The climate in Laval 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. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

In Laval, 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

Laval experiences significant rain/snowfall throughout the year, averaging 1136 mm of precipitation annually. The wettest period in Laval occurs in October, which receives around 111 mm of precipitation. During the driest month, February, Laval experiences moderate snowfall, totaling approximately 73 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 Laval, 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 per average day.

Monthly hours of sunshine

Data from: Montréal, Canada (17 KM, 10 Miles).

Daily hours of sunshine

Data from: Montréal, Canada (17 KM, 10 Miles).

Average water temperature

The mean water temperature over the year in Laval ranges from 3°C in February to 21°C in August.

Water temperature over the year

Data from: Montréal, Canada (17 KM, 10 Miles).

The best time of year to visit Laval in Canada

During the months of 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 Laval?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Laval?
    July has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Laval?
    The coldest month is January with an average maximum temperature of -4°C.
  • Which is the wettest month in Laval?
    October tops the wettest month list with 111 mm of rainfall.
  • Which is the driest month in Laval?
    February is the driest month with 73 mm of precipitation.
  • Which is the sunniest month in Laval?
    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 Laval

    Sat   Dec 14
    -6°C | -14°C
    NW 7 km/h
    clear and no rain

    clear and no rain

    Sun   Dec 15
    -6°C | -15°C
    NE 11 km/h
    broken clouds and no rain

    broken clouds and no rain

    Mon   Dec 16
    4°C | -7°C
    SE 11 km/h
    overcast and no rain

    overcast and no rain