Guelph Weather Year-Round — Best Time to Visit
Guelph, Canada has cool weather year-round. The best time to visit is August (score: 83/100). Annual average high: 12.3°C, total rainfall: 877mm.
When is the best time to visit Guelph?
83
August is the best month to visit Guelph with a travel score of 83/100 (Excellent).
Expect highs of 24.6°C, 10 rain days, and 11.1 hours of daily sunshine.
View August weather details →Travel Score by Month
34
Jan
41
Feb
51
Mar
61
Apr
74
May
80
Jun
83
Jul
83
Aug
78
Sep
61
Oct
48
Nov
36
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Guelph each month?
12.3°C
Avg High
3.4°C
Avg Low
877mm
Annual Rain
How much rain does Guelph get?
Guelph receives 877mm of rain annually. The wettest month is typically June with 96mm, while February is the driest.
What is the weather like each month in Guelph?
January
34
-2°C
Low: -10°C
11 rain days
Poor
February
41
-1°C
Low: -10°C
9 rain days
Mixed
March
51
4°C
Low: -5°C
9 rain days
Mixed
April
61
11°C
Low: 1°C
11 rain days
Good
May
74
18°C
Low: 8°C
11 rain days
Good
June
80
24°C
Low: 14°C
11 rain days
Excellent
July
83
26°C
Low: 16°C
11 rain days
Excellent
August
Best time to visit83
25°C
Low: 16°C
10 rain days
Excellent
September
78
21°C
Low: 12°C
9 rain days
Good
October
61
14°C
Low: 6°C
10 rain days
Good
November
48
7°C
Low: 0°C
10 rain days
Mixed
December
36
1°C
Low: -5°C
11 rain days
Poor
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Data based on 1994–2024 averages · Last updated: 2024-12-31