Duluth Weather Year-Round — Best Time to Visit
Duluth, United States has cool weather year-round. The best time to visit is August (score: 81/100). Annual average high: 9.4°C, total rainfall: 834mm.
When is the best time to visit Duluth?
81
August is the best month to visit Duluth with a travel score of 81/100 (Excellent).
Expect highs of 24°C, 10 rain days, and 11.2 hours of daily sunshine.
View August weather details →Travel Score by Month
41
Jan
46
Feb
50
Mar
56
Apr
67
May
75
Jun
81
Jul
81
Aug
76
Sep
59
Oct
47
Nov
37
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Duluth each month?
9.4°C
Avg High
2.8°C
Avg Low
834mm
Annual Rain
How much rain does Duluth get?
Duluth receives 834mm of rain annually. The wettest month is typically June with 98mm, while January is the driest.
What is the weather like each month in Duluth?
January
41
-7°C
Low: -14°C
6 rain days
Mixed
February
46
-5°C
Low: -12°C
5 rain days
Mixed
March
50
1°C
Low: -6°C
7 rain days
Mixed
April
56
7°C
Low: 0°C
10 rain days
Mixed
May
67
14°C
Low: 7°C
11 rain days
Good
June
75
21°C
Low: 13°C
11 rain days
Good
July
81
25°C
Low: 18°C
11 rain days
Excellent
August
Best time to visit81
24°C
Low: 18°C
10 rain days
Excellent
September
76
20°C
Low: 14°C
10 rain days
Good
October
59
12°C
Low: 7°C
10 rain days
Mixed
November
47
4°C
Low: -1°C
8 rain days
Mixed
December
37
-3°C
Low: -9°C
7 rain days
Poor
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Data based on 1994–2024 averages · Last updated: 2024-12-31