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Longueuil weather in August

Long-run climate averages for Longueuil, Quebec in August, plus what the forecast models say for the days ahead.

August at a glance

In August, Longueuil averages 24°C by day and 16°C at night. It is the wettest month of the year here.

August in Longueuil averages a daytime high of 24°C and an overnight low of 16°C, which reads as warm for this part of the world. It is among the three warmest months of the year here. It is also the wettest month, so build rain into any plan. Across the whole year Longueuil sees roughly 1211 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

Here 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.

Jan
-2°
-9°
Cold
Feb
-1°
-11°
Cold
Mar
-4°
Cold
Apr
13°
Cool
May
20°
Mild
Jun
24°
15°
Warm
Jul
27°
19°
Warm
Aug
24°
16°
Warm
Wettest
Sep
23°
14°
Warm
Oct
16°
Mild
Nov
Cold
Dec
-6°
Cold

Common questions

How warm is Longueuil in August?
Longueuil averages a daytime high of 24°C in August, with overnight lows around 16°C. These are long-run climate averages, not a forecast — for the actual days ahead see the live model comparison.
Is August a good time to visit Longueuil?
The most comfortable time to visit Longueuil is usually May, June, September and October, when daytime highs sit in the pleasant 16-26°C range and the heaviest August rain is behind you.
Does it rain a lot in Longueuil in August?
August is the wettest month of the year in Longueuil, out of roughly 1211 mm of precipitation across the year.

Longueuil in other months

More about Longueuil