St Helens Weather Year-Round — Best Time to Visit
St Helens, United Kingdom has cool weather year-round. The best time to visit is July (score: 69/100). Annual average high: 12.9°C, total rainfall: 966mm.
When is the best time to visit St Helens?
69
July is the best month to visit St Helens with a travel score of 69/100 (Good).
Expect highs of 19.1°C, 14 rain days, and 11.1 hours of daily sunshine.
View July weather details →Travel Score by Month
36
Jan
43
Feb
51
Mar
61
Apr
65
May
69
Jun
69
Jul
68
Aug
64
Sep
51
Oct
41
Nov
36
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in St Helens each month?
12.9°C
Avg High
7.1°C
Avg Low
966mm
Annual Rain
How much rain does St Helens get?
St Helens receives 966mm of rain annually. The wettest month is typically December with 98mm, while April is the driest.
What is the weather like each month in St Helens?
January
36
7°C
Low: 3°C
15 rain days
Poor
February
43
8°C
Low: 3°C
13 rain days
Mixed
March
51
10°C
Low: 3°C
13 rain days
Mixed
April
61
12°C
Low: 5°C
12 rain days
Good
May
65
15°C
Low: 8°C
13 rain days
Good
June
69
18°C
Low: 11°C
13 rain days
Good
July
Best time to visit69
19°C
Low: 13°C
14 rain days
Good
August
68
19°C
Low: 13°C
15 rain days
Good
September
64
17°C
Low: 11°C
12 rain days
Good
October
51
14°C
Low: 9°C
15 rain days
Mixed
November
41
10°C
Low: 5°C
15 rain days
Mixed
December
36
7°C
Low: 3°C
15 rain days
Poor
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Data based on 1994–2024 averages · Last updated: 2024-12-31