Boston Weather Year-Round — Best Time to Visit
Boston, United States has cool weather year-round. The best time to visit is August (score: 83/100). Annual average high: 14.8°C, total rainfall: 1115mm.
When is the best time to visit Boston?
83
August is the best month to visit Boston with a travel score of 83/100 (Excellent).
Expect highs of 26.9°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
82
Jun
83
Jul
83
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 Boston each month?
14.8°C
Avg High
6.1°C
Avg Low
1115mm
Annual Rain
How much rain does Boston get?
Boston receives 1115mm of rain annually. The wettest month is typically March with 111mm, while July is the driest.
What is the weather like each month in Boston?
January
43
2°C
Low: -7°C
10 rain days
Mixed
February
49
3°C
Low: -6°C
9 rain days
Mixed
March
54
7°C
Low: -2°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
82
24°C
Low: 15°C
10 rain days
Excellent
July
83
28°C
Low: 19°C
10 rain days
Excellent
August
Best time to visit83
27°C
Low: 18°C
9 rain days
Excellent
September
80
23°C
Low: 14°C
8 rain days
Excellent
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
Compare Boston
Popular comparisons:
Planning a Trip to United States?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
What cities are near Boston?
Data based on 1994–2024 averages · Last updated: 2024-12-31