Saint-Jean-sur-Richelieu Weather Year-Round — Best Time to Visit
Saint-Jean-sur-Richelieu, Canada has cool weather year-round. The best time to visit is August (score: 80/100). Annual average high: 11.5°C, total rainfall: 1106mm.
When is the best time to visit Saint-Jean-sur-Richelieu?
80
August is the best month to visit Saint-Jean-sur-Richelieu with a travel score of 80/100 (Excellent).
Expect highs of 24.4°C, 12 rain days, and 11 hours of daily sunshine.
View August weather details →Travel Score by Month
36
Jan
41
Feb
46
Mar
60
Apr
73
May
78
Jun
79
Jul
80
Aug
76
Sep
59
Oct
46
Nov
33
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Saint-Jean-sur-Richelieu each month?
11.5°C
Avg High
2.9°C
Avg Low
1106mm
Annual Rain
How much rain does Saint-Jean-sur-Richelieu get?
Saint-Jean-sur-Richelieu receives 1106mm of rain annually. The wettest month is typically June with 119mm, while February is the driest.
What is the weather like each month in Saint-Jean-sur-Richelieu?
January
36
-5°C
Low: -13°C
10 rain days
Poor
February
41
-3°C
Low: -12°C
9 rain days
Mixed
March
46
3°C
Low: -6°C
11 rain days
Mixed
April
60
11°C
Low: 1°C
11 rain days
Mixed
May
73
19°C
Low: 8°C
11 rain days
Good
June
78
23°C
Low: 14°C
13 rain days
Good
July
79
26°C
Low: 17°C
13 rain days
Good
August
Best time to visit80
24°C
Low: 16°C
12 rain days
Excellent
September
76
21°C
Low: 12°C
10 rain days
Good
October
59
13°C
Low: 6°C
11 rain days
Mixed
November
46
6°C
Low: -1°C
11 rain days
Mixed
December
33
-1°C
Low: -8°C
12 rain days
Poor
Compare Saint-Jean-sur-Richelieu
Popular comparisons:
Planning a Trip to Canada?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
What cities are near Saint-Jean-sur-Richelieu?
Data based on 1994–2024 averages · Last updated: 2024-12-31