Somerville Weather Year-Round — Best Time to Visit
Somerville, United States has cool weather year-round. The best time to visit is August (score: 84/100). Annual average high: 14.7°C, total rainfall: 1132mm.
When is the best time to visit Somerville?
84
August is the best month to visit Somerville with a travel score of 84/100 (Excellent).
Expect highs of 26.7°C, 9 rain days, and 10.8 hours of daily sunshine.
View August weather details →Travel Score by Month
43
Jan
48
Feb
54
Mar
64
Apr
73
May
81
Jun
83
Jul
84
Aug
80
Sep
67
Oct
57
Nov
46
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Somerville each month?
14.7°C
Avg High
6°C
Avg Low
1132mm
Annual Rain
How much rain does Somerville get?
Somerville receives 1132mm of rain annually. The wettest month is typically December with 111mm, while February is the driest.
What is the weather like each month in Somerville?
January
43
2°C
Low: -7°C
10 rain days
Mixed
February
48
3°C
Low: -6°C
9 rain days
Mixed
March
54
7°C
Low: -2°C
10 rain days
Mixed
April
64
13°C
Low: 4°C
10 rain days
Good
May
73
19°C
Low: 9°C
10 rain days
Good
June
81
24°C
Low: 15°C
11 rain days
Excellent
July
83
28°C
Low: 19°C
10 rain days
Excellent
August
Best time to visit84
27°C
Low: 18°C
9 rain days
Excellent
September
80
23°C
Low: 14°C
8 rain days
Good
October
67
16°C
Low: 8°C
9 rain days
Good
November
57
10°C
Low: 3°C
9 rain days
Mixed
December
46
5°C
Low: -3°C
10 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31