Dubuque weather by month

Check out Dubuque weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & UV index

Temperature in Dubuque (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	25	30	43	59	70	79	84	81	73	61	45	30
Min temperature (night-time)	7	12	25	37	48	57	63	59	52	41	28	14
Heat & Humidity	0	0	0	0	0	L	M	M	0	0	0	0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Dubuque

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	5	7	7	8	10	11	10	10	8	7	5	4
Daily hours of daylight	9	11	12	13	15	15	15	14	12	11	10	9
UV Index (Maximum)	1	2	4	6	7	8	9	8	6	3	2	1

Rainfall in Dubuque

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	9	8	10	12	11	10	10	9	9	9	9	10
Average monthly rainfall (inches)	1.1	1.1	2.5	3.4	3.9	4.1	4.0	4.4	4.1	2.6	2.4	1.7

More about Dubuque

Dubuque by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Iowa (Dubuque) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Dubuque?

Dubuque has a cold climate with hot summers and some rainfall in all months.

Dubuque weather in January

Expect daytime maximum temperatures of 25°F in Dubuque, Iowa in January based on long-term weather averages. There are 5 hours of sunshine per day on average, which might fall as snow.

25
25°F max day temperature
5
5 hours of sunshine per day
9
9 days with some rainfall
7
7°F min night temperature
9
9 hours of daylight per day
0
No heat & humidity
1.1
1.1 inches of monthly rainfall
1
1 (Low) UV index

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Dubuque weather in February

Expect daytime maximum temperatures of 30°F in Dubuque, Iowa in February based on long-term weather averages. There are 7 hours of sunshine per day on average, which might fall as snow.

30
30°F max day temperature
7
7 hours of sunshine per day
8
8 days with some rainfall
12
12°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
1.1
1.1 inches of monthly rainfall
2
2 (Low) UV index

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Dubuque weather in March

Expect daytime maximum temperatures of 43°F in Dubuque, Iowa in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 2.5 inches of rainfall in the month, which might fall as snow.

43
43°F max day temperature
7
7 hours of sunshine per day
10
10 days with some rainfall
25
25°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
2.5
2.5 inches of monthly rainfall
4
4 (Moderate) UV index

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Dubuque weather in April

Expect daytime maximum temperatures of 59°F in Dubuque, Iowa in April based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 3.4 inches of rainfall in the month.

59
59°F max day temperature
8
8 hours of sunshine per day
12
12 days with some rainfall
37
37°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
3.4
3.4 inches of monthly rainfall
6
6 (High) UV index

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Dubuque weather in May

Expect daytime maximum temperatures of 70°F in Dubuque, Iowa in May based on long-term weather averages. There are 10 hours of sunshine per day on average with 11 days with some rainfall and typically 3.9 inches of rainfall in the month.

70
70°F max day temperature
10
10 hours of sunshine per day
11
11 days with some rainfall
48
48°F min night temperature
15
15 hours of daylight per day
0
No heat & humidity
3.9
3.9 inches of monthly rainfall
7
7 (High) UV index

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Dubuque weather in June

Expect daytime maximum temperatures of 79°F in Dubuque, Iowa in June based on long-term weather averages. There are 11 hours of sunshine per day on average with 10 days with some rainfall and typically 4.1 inches of rainfall in the month.

79
79°F max day temperature
11
11 hours of sunshine per day
10
10 days with some rainfall
57
57°F min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
4.1
4.1 inches of monthly rainfall
8
8 (Very High) UV index

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Dubuque weather in July

Expect daytime maximum temperatures of 84°F in Dubuque, Iowa in July based on long-term weather averages. There are 10 hours of sunshine per day on average with 10 days with some rainfall and typically 4.0 inches of rainfall in the month.

84
84°F max day temperature
10
10 hours of sunshine per day
10
10 days with some rainfall
63
63°F min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
4.0
4.0 inches of monthly rainfall
9
9 (Very High) UV index

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Dubuque weather in August

Expect daytime maximum temperatures of 81°F in Dubuque, Iowa in August based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 4.4 inches of rainfall in the month.

81
81°F max day temperature
10
10 hours of sunshine per day
9
9 days with some rainfall
59
59°F min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
4.4
4.4 inches of monthly rainfall
8
8 (Very High) UV index

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Dubuque weather in September

Expect daytime maximum temperatures of 73°F in Dubuque, Iowa in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 4.1 inches of rainfall in the month.

73
73°F max day temperature
8
8 hours of sunshine per day
9
9 days with some rainfall
52
52°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
4.1
4.1 inches of monthly rainfall
6
6 (High) UV index

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Dubuque weather in October

Expect daytime maximum temperatures of 61°F in Dubuque, Iowa in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 2.6 inches of rainfall in the month.

61
61°F max day temperature
7
7 hours of sunshine per day
9
9 days with some rainfall
41
41°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
2.6
2.6 inches of monthly rainfall
3
3 (Moderate) UV index

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Dubuque weather in November

Expect daytime maximum temperatures of 45°F in Dubuque, Iowa in November based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 2.4 inches of rainfall in the month.

45
45°F max day temperature
5
5 hours of sunshine per day
9
9 days with some rainfall
28
28°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
2.4
2.4 inches of monthly rainfall
2
2 (Low) UV index

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Dubuque weather in December

Expect daytime maximum temperatures of 30°F in Dubuque, Iowa in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 10 days with some rainfall and typically 1.7 inches of rainfall in the month, which might fall as snow.