Laval Weather and Climate: A Comprehensive Guide
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 maximum day and minimum 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 average lows reaching -14°C in January.Check out our detailed temperature page for more information.
Temperature ranges by month
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.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Average water temperature
The mean water temperature over the year ranges from 3°C in February to 21°C in August.
Water temperature over the year
Average humidity
The relative humidity is high throughout the year in Laval.
The city experiences its highest humidity in December, reaching 71%. In May, the humidity drops to its lowest level at 51%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Average wind speed
The average wind speed over the year ranges from 5 m/s to 7 m/s. It is lower in June, July, August and September and higher in January, February, March and December.
The mean monthly wind speed over the year (meters per second)
Forecast for Laval
Select a Month of Interest
Check the conditions for any month of the year.
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:
The coldest season / winter is in the following months: January, February and December.
July has an average maximum temperature of 27°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -4°C.
October tops the wettest month list with 111 mm of rainfall.
February is the driest month with 73 mm of precipitation.
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.