London Weather Year-Round — Best Time to Visit
London, Canada has cool weather year-round. The best time to visit is August (score: 83/100). Annual average high: 13°C, total rainfall: 958mm.
When is the best time to visit London?
83
August is the best month to visit London with a travel score of 83/100 (Excellent).
Expect highs of 25.2°C, 10 rain days, and 11.4 hours of daily sunshine.
View August weather details →Travel Score by Month
33
Jan
41
Feb
51
Mar
62
Apr
73
May
81
Jun
82
Jul
83
Aug
80
Sep
62
Oct
50
Nov
38
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in London each month?
13°C
Avg High
4.6°C
Avg Low
958mm
Annual Rain
How much rain does London get?
London receives 958mm of rain annually. The wettest month is typically June with 100mm, while February is the driest.
What is the weather like each month in London?
January
33
-1°C
Low: -9°C
12 rain days
Poor
February
41
0°C
Low: -9°C
10 rain days
Mixed
March
51
5°C
Low: -4°C
10 rain days
Mixed
April
62
12°C
Low: 2°C
12 rain days
Good
May
73
19°C
Low: 9°C
12 rain days
Good
June
81
24°C
Low: 15°C
12 rain days
Excellent
July
82
26°C
Low: 17°C
11 rain days
Excellent
August
Best time to visit83
25°C
Low: 17°C
10 rain days
Excellent
September
80
22°C
Low: 13°C
9 rain days
Good
October
62
15°C
Low: 7°C
11 rain days
Good
November
50
8°C
Low: 1°C
10 rain days
Mixed
December
38
2°C
Low: -4°C
11 rain days
Poor
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What cities are near London?
Data based on 1994–2024 averages · Last updated: 2024-12-31