Dorchester Weather Year-Round — Best Time to Visit
Dorchester, United States has cool weather year-round. The best time to visit is August (score: 83/100). Annual average high: 14.6°C, total rainfall: 1111mm.
When is the best time to visit Dorchester?
83
August is the best month to visit Dorchester with a travel score of 83/100 (Excellent).
Expect highs of 26.4°C, 9 rain days, and 10.8 hours of daily sunshine.
View August weather details →Travel Score by Month
43
Jan
49
Feb
54
Mar
64
Apr
73
May
81
Jun
83
Jul
83
Aug
80
Sep
67
Oct
57
Nov
47
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Dorchester each month?
14.6°C
Avg High
6.5°C
Avg Low
1111mm
Annual Rain
How much rain does Dorchester get?
Dorchester receives 1111mm of rain annually. The wettest month is typically March with 112mm, while July is the driest.
What is the weather like each month in Dorchester?
January
43
2°C
Low: -6°C
10 rain days
Mixed
February
49
3°C
Low: -5°C
9 rain days
Mixed
March
54
7°C
Low: -1°C
11 rain days
Mixed
April
64
13°C
Low: 4°C
10 rain days
Good
May
73
19°C
Low: 10°C
10 rain days
Good
June
81
24°C
Low: 15°C
10 rain days
Excellent
July
83
27°C
Low: 19°C
10 rain days
Excellent
August
Best time to visit83
26°C
Low: 18°C
9 rain days
Excellent
September
80
22°C
Low: 15°C
8 rain days
Good
October
67
16°C
Low: 9°C
9 rain days
Good
November
57
10°C
Low: 3°C
9 rain days
Mixed
December
47
5°C
Low: -2°C
10 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31