Longueuil weather in July
Long-run climate averages for Longueuil, Quebec in July, plus what the forecast models say for the days ahead.
In July, Longueuil averages 26°C by day and 18°C at night. The wettest month is usually August.
July in Longueuil averages a daytime high of 26°C and an overnight low of 18°C, which reads as warm for this part of the world. It is the warmest month of the year here. Across the whole year Longueuil sees roughly 1047 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 Longueuil forecast with every model compared and how much they currently agree.
Longueuil weather by month
what to expect in Longueuil through the year, 1991-2020 averagesHere is Longueuil'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 Longueuil by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Longueuil, scoring 91/100 on our CheckWeather Score, ahead of the Env. Canada at 88. See the full CA accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Longueuil in July?
Is July a good time to visit Longueuil?
Does it rain a lot in Longueuil in July?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .