Laval weather in May
Long-run climate averages for Laval, Quebec in May, plus what the forecast models say for the days ahead.
In May, Laval averages 20°C by day and 9°C at night. The wettest month is usually August.
May in Laval averages a daytime high of 20°C and an overnight low of 9°C, which reads as mild for this part of the world. Across the whole year Laval sees roughly 1226 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live Laval forecast with every model compared and how much they currently agree.
Laval weather by month
what to expect in Laval through the yearHere is Laval's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Laval by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Laval, scoring 90/100 on our CheckWeather Score, ahead of the Env. Canada at 85. See the full CA accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Laval in May?
Is May a good time to visit Laval?
Does it rain a lot in Laval in May?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .