Plymouth Weather Year-Round — Best Time to Visit
Plymouth, United States has cool weather year-round. The best time to visit is July (score: 85/100). Annual average high: 12.1°C, total rainfall: 799mm.
When is the best time to visit Plymouth?
85
July is the best month to visit Plymouth with a travel score of 85/100 (Excellent).
Expect highs of 27.5°C, 10 rain days, and 12.8 hours of daily sunshine.
View July weather details →Travel Score by Month
45
Jan
49
Feb
56
Mar
65
Apr
76
May
83
Jun
85
Jul
85
Aug
82
Sep
66
Oct
54
Nov
42
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Plymouth each month?
12.1°C
Avg High
3.6°C
Avg Low
799mm
Annual Rain
How much rain does Plymouth get?
Plymouth receives 799mm of rain annually. The wettest month is typically June with 107mm, while January is the driest.
What is the weather like each month in Plymouth?
January
45
-5°C
Low: -13°C
5 rain days
Mixed
February
49
-3°C
Low: -12°C
5 rain days
Mixed
March
56
5°C
Low: -5°C
7 rain days
Mixed
April
65
12°C
Low: 2°C
10 rain days
Good
May
76
19°C
Low: 10°C
11 rain days
Good
June
83
25°C
Low: 16°C
11 rain days
Excellent
July
Best time to visit85
28°C
Low: 19°C
10 rain days
Excellent
August
85
26°C
Low: 18°C
9 rain days
Excellent
September
82
22°C
Low: 14°C
9 rain days
Excellent
October
66
14°C
Low: 6°C
8 rain days
Good
November
54
5°C
Low: -2°C
6 rain days
Mixed
December
42
-2°C
Low: -9°C
6 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31