Cardiff Weather Year-Round — Best Time to Visit
Cardiff, United Kingdom has cool weather year-round. The best time to visit is July (score: 73/100). Annual average high: 13.4°C, total rainfall: 1042mm.
When is the best time to visit Cardiff?
73
July is the best month to visit Cardiff with a travel score of 73/100 (Good).
Expect highs of 19.7°C, 12 rain days, and 11.3 hours of daily sunshine.
View July weather details →Travel Score by Month
39
Jan
45
Feb
52
Mar
62
Apr
66
May
72
Jun
73
Jul
72
Aug
67
Sep
53
Oct
45
Nov
39
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Cardiff each month?
13.4°C
Avg High
7.8°C
Avg Low
1042mm
Annual Rain
How much rain does Cardiff get?
Cardiff receives 1042mm of rain annually. The wettest month is typically October with 117mm, while June is the driest.
What is the weather like each month in Cardiff?
January
39
8°C
Low: 3°C
14 rain days
Poor
February
45
8°C
Low: 3°C
12 rain days
Mixed
March
52
10°C
Low: 4°C
12 rain days
Mixed
April
62
12°C
Low: 5°C
11 rain days
Good
May
66
15°C
Low: 9°C
12 rain days
Good
June
72
18°C
Low: 11°C
11 rain days
Good
July
Best time to visit73
20°C
Low: 13°C
12 rain days
Good
August
72
20°C
Low: 13°C
12 rain days
Good
September
67
18°C
Low: 12°C
11 rain days
Good
October
53
14°C
Low: 9°C
14 rain days
Mixed
November
45
11°C
Low: 6°C
14 rain days
Mixed
December
39
8°C
Low: 4°C
14 rain days
Poor
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Data based on 1994–2024 averages · Last updated: 2024-12-31