Longueuil Weather Year-Round — Best Time to Visit
Longueuil, Canada has cool weather year-round. The best time to visit is August (score: 81/100). Annual average high: 11.5°C, total rainfall: 1077mm.
When is the best time to visit Longueuil?
81
August is the best month to visit Longueuil with a travel score of 81/100 (Excellent).
Expect highs of 24.8°C, 11 rain days, and 11.2 hours of daily sunshine.
View August weather details →Travel Score by Month
37
Jan
41
Feb
48
Mar
61
Apr
75
May
80
Jun
81
Jul
81
Aug
77
Sep
60
Oct
46
Nov
33
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Longueuil each month?
11.5°C
Avg High
2.9°C
Avg Low
1077mm
Annual Rain
How much rain does Longueuil get?
Longueuil receives 1077mm of rain annually. The wettest month is typically June with 109mm, while February is the driest.
What is the weather like each month in Longueuil?
January
37
-5°C
Low: -14°C
10 rain days
Poor
February
41
-3°C
Low: -12°C
9 rain days
Mixed
March
48
3°C
Low: -6°C
10 rain days
Mixed
April
61
11°C
Low: 1°C
11 rain days
Good
May
75
19°C
Low: 8°C
11 rain days
Good
June
80
24°C
Low: 15°C
12 rain days
Good
July
81
26°C
Low: 18°C
12 rain days
Excellent
August
Best time to visit81
25°C
Low: 17°C
11 rain days
Excellent
September
77
21°C
Low: 13°C
10 rain days
Good
October
60
13°C
Low: 6°C
11 rain days
Good
November
46
6°C
Low: 0°C
11 rain days
Mixed
December
33
-1°C
Low: -8°C
12 rain days
Poor
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Data based on 1994–2024 averages · Last updated: 2024-12-31