Grimsby Weather Year-Round — Best Time to Visit
Grimsby, United Kingdom has cool weather year-round. The best time to visit is August (score: 73/100). Annual average high: 13.1°C, total rainfall: 662mm.
When is the best time to visit Grimsby?
73
August is the best month to visit Grimsby with a travel score of 73/100 (Good).
Expect highs of 20.1°C, 12 rain days, and 10.3 hours of daily sunshine.
View August weather details →Travel Score by Month
41
Jan
47
Feb
53
Mar
61
Apr
66
May
70
Jun
73
Jul
73
Aug
68
Sep
57
Oct
46
Nov
41
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Grimsby each month?
13.1°C
Avg High
7.3°C
Avg Low
662mm
Annual Rain
How much rain does Grimsby get?
Grimsby receives 662mm of rain annually. The wettest month is typically July with 69mm, while March is the driest.
What is the weather like each month in Grimsby?
January
41
7°C
Low: 3°C
11 rain days
Mixed
February
47
8°C
Low: 3°C
10 rain days
Mixed
March
53
10°C
Low: 3°C
11 rain days
Mixed
April
61
12°C
Low: 5°C
11 rain days
Good
May
66
15°C
Low: 8°C
11 rain days
Good
June
70
18°C
Low: 11°C
11 rain days
Good
July
73
20°C
Low: 13°C
12 rain days
Good
August
Best time to visit73
20°C
Low: 13°C
12 rain days
Good
September
68
18°C
Low: 11°C
10 rain days
Good
October
57
14°C
Low: 9°C
11 rain days
Mixed
November
46
10°C
Low: 5°C
11 rain days
Mixed
December
41
7°C
Low: 3°C
11 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31