Slough Weather Year-Round — Best Time to Visit
Slough, United Kingdom has cool weather year-round. The best time to visit is July (score: 79/100). Annual average high: 14.2°C, total rainfall: 653mm.
When is the best time to visit Slough?
79
July is the best month to visit Slough with a travel score of 79/100 (Good).
Expect highs of 21.7°C, 10 rain days, and 11.3 hours of daily sunshine.
View July weather details →Travel Score by Month
43
Jan
48
Feb
54
Mar
65
Apr
71
May
77
Jun
79
Jul
78
Aug
71
Sep
57
Oct
49
Nov
43
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Slough each month?
14.2°C
Avg High
7.3°C
Avg Low
653mm
Annual Rain
How much rain does Slough get?
Slough receives 653mm of rain annually. The wettest month is typically October with 65mm, while April is the driest.
What is the weather like each month in Slough?
January
43
7°C
Low: 2°C
11 rain days
Mixed
February
48
8°C
Low: 2°C
10 rain days
Mixed
March
54
10°C
Low: 3°C
10 rain days
Mixed
April
65
13°C
Low: 5°C
10 rain days
Good
May
71
16°C
Low: 8°C
10 rain days
Good
June
77
20°C
Low: 11°C
9 rain days
Good
July
Best time to visit79
22°C
Low: 13°C
10 rain days
Good
August
78
21°C
Low: 13°C
10 rain days
Good
September
71
19°C
Low: 11°C
9 rain days
Good
October
57
15°C
Low: 9°C
11 rain days
Mixed
November
49
10°C
Low: 5°C
11 rain days
Mixed
December
43
8°C
Low: 3°C
11 rain days
Mixed
Compare Slough
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Data based on 1994–2024 averages · Last updated: 2024-12-31