Southampton Weather Year-Round — Best Time to Visit
Southampton, United Kingdom has cool weather year-round. The best time to visit is July (score: 78/100). Annual average high: 14.1°C, total rainfall: 748mm.
When is the best time to visit Southampton?
78
July is the best month to visit Southampton with a travel score of 78/100 (Good).
Expect highs of 21°C, 10 rain days, and 11.5 hours of daily sunshine.
View July weather details →Travel Score by Month
43
Jan
48
Feb
55
Mar
65
Apr
70
May
76
Jun
78
Jul
77
Aug
72
Sep
58
Oct
49
Nov
44
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Southampton each month?
14.1°C
Avg High
8.1°C
Avg Low
748mm
Annual Rain
How much rain does Southampton get?
Southampton receives 748mm of rain annually. The wettest month is typically October with 81mm, while June is the driest.
What is the weather like each month in Southampton?
January
43
8°C
Low: 3°C
11 rain days
Mixed
February
48
8°C
Low: 3°C
11 rain days
Mixed
March
55
10°C
Low: 4°C
10 rain days
Mixed
April
65
13°C
Low: 6°C
10 rain days
Good
May
70
16°C
Low: 9°C
10 rain days
Good
June
76
19°C
Low: 12°C
9 rain days
Good
July
Best time to visit78
21°C
Low: 14°C
10 rain days
Good
August
77
21°C
Low: 14°C
10 rain days
Good
September
72
19°C
Low: 12°C
9 rain days
Good
October
58
15°C
Low: 10°C
12 rain days
Mixed
November
49
11°C
Low: 6°C
11 rain days
Mixed
December
44
9°C
Low: 4°C
11 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31