Oakville Weather Year-Round — Best Time to Visit
Oakville, Canada has cool weather year-round. The best time to visit is August (score: 84/100). Annual average high: 12.9°C, total rainfall: 849mm.
When is the best time to visit Oakville?
84
August is the best month to visit Oakville with a travel score of 84/100 (Excellent).
Expect highs of 25.4°C, 9 rain days, and 11.4 hours of daily sunshine.
View August weather details →Travel Score by Month
37
Jan
45
Feb
53
Mar
62
Apr
73
May
81
Jun
84
Jul
84
Aug
81
Sep
64
Oct
53
Nov
41
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Oakville each month?
12.9°C
Avg High
5.7°C
Avg Low
849mm
Annual Rain
How much rain does Oakville get?
Oakville receives 849mm of rain annually. The wettest month is typically June with 86mm, while February is the driest.
What is the weather like each month in Oakville?
January
37
0°C
Low: -7°C
10 rain days
Poor
February
45
0°C
Low: -8°C
8 rain days
Mixed
March
53
5°C
Low: -3°C
9 rain days
Mixed
April
62
11°C
Low: 3°C
11 rain days
Good
May
73
17°C
Low: 9°C
10 rain days
Good
June
81
23°C
Low: 15°C
11 rain days
Excellent
July
84
26°C
Low: 18°C
10 rain days
Excellent
August
Best time to visit84
25°C
Low: 18°C
9 rain days
Excellent
September
81
22°C
Low: 15°C
9 rain days
Excellent
October
64
15°C
Low: 9°C
10 rain days
Good
November
53
8°C
Low: 2°C
9 rain days
Mixed
December
41
3°C
Low: -3°C
10 rain days
Mixed
Compare Oakville
Popular comparisons:
🎉Planning a Trip to Canada?
Check public holidays and long weekends before you book.
What cities are near Oakville?
Data based on 1994–2024 averages · Last updated: 2024-12-31