Dubuque Weather Year-Round — Best Time to Visit
Dubuque, United States has cool weather year-round. The best time to visit is September (score: 85/100). Annual average high: 14.3°C, total rainfall: 889mm.
When is the best time to visit Dubuque?
85
September is the best month to visit Dubuque with a travel score of 85/100 (Excellent).
Expect highs of 23.4°C, 7 rain days, and 9.8 hours of daily sunshine.
View September weather details →Travel Score by Month
41
Jan
48
Feb
59
Mar
66
Apr
76
May
81
Jun
85
Jul
84
Aug
85
Sep
69
Oct
58
Nov
44
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Dubuque each month?
14.3°C
Avg High
5.4°C
Avg Low
889mm
Annual Rain
How much rain does Dubuque get?
Dubuque receives 889mm of rain annually. The wettest month is typically June with 114mm, while January is the driest.
What is the weather like each month in Dubuque?
January
41
-2°C
Low: -11°C
7 rain days
Mixed
February
48
1°C
Low: -9°C
6 rain days
Mixed
March
59
8°C
Low: -2°C
8 rain days
Mixed
April
66
15°C
Low: 5°C
11 rain days
Good
May
76
21°C
Low: 11°C
12 rain days
Good
June
81
26°C
Low: 17°C
12 rain days
Excellent
July
85
28°C
Low: 19°C
9 rain days
Excellent
August
84
27°C
Low: 18°C
9 rain days
Excellent
September
Best time to visit85
23°C
Low: 14°C
7 rain days
Excellent
October
69
16°C
Low: 8°C
8 rain days
Good
November
58
8°C
Low: 1°C
7 rain days
Mixed
December
44
1°C
Low: -6°C
7 rain days
Mixed
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What cities are near Dubuque?
Data based on 1994–2024 averages · Last updated: 2024-12-31