Bar Harbor Weather Year-Round — Best Time to Visit
Bar Harbor, United States has cool weather year-round. The best time to visit is August (score: 80/100). Annual average high: 10.5°C, total rainfall: 1150mm.
When is the best time to visit Bar Harbor?
80
August is the best month to visit Bar Harbor with a travel score of 80/100 (Good).
Expect highs of 21°C, 8 rain days, and 10.4 hours of daily sunshine.
View August weather details →Travel Score by Month
38
Jan
44
Feb
49
Mar
57
Apr
65
May
73
Jun
77
Jul
80
Aug
74
Sep
62
Oct
53
Nov
41
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Bar Harbor each month?
10.5°C
Avg High
4.8°C
Avg Low
1150mm
Annual Rain
How much rain does Bar Harbor get?
Bar Harbor receives 1150mm of rain annually. The wettest month is typically December with 119mm, while August is the driest.
What is the weather like each month in Bar Harbor?
January
38
0°C
Low: -7°C
10 rain days
Poor
February
44
0°C
Low: -7°C
9 rain days
Mixed
March
49
3°C
Low: -3°C
10 rain days
Mixed
April
57
8°C
Low: 3°C
11 rain days
Mixed
May
65
13°C
Low: 8°C
10 rain days
Good
June
73
18°C
Low: 12°C
10 rain days
Good
July
77
21°C
Low: 16°C
10 rain days
Good
August
Best time to visit80
21°C
Low: 16°C
8 rain days
Good
September
74
18°C
Low: 13°C
8 rain days
Good
October
62
13°C
Low: 8°C
9 rain days
Good
November
53
8°C
Low: 3°C
9 rain days
Mixed
December
41
3°C
Low: -3°C
11 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31