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The tables below display average monthly climate and weather indicators in Dubuque Iowa.
Temperature by: Fahrenheit / Centigrade
| Dubuque Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature |
-8.9 |
-6.0 |
1.0 |
8.7 |
14.8 |
19.9 |
22.4 |
21.0 |
16.4 |
10.3 |
2.4 |
-5.8 |
8.0 |
| Avg. Max Temperature |
-4.5 |
-1.3 |
5.8 |
14.3 |
20.7 |
25.8 |
28.0 |
26.6 |
22.1 |
15.8 |
7.0 |
-1.6 |
13.2 |
| Avg. Min Temperature |
-13.5 |
-10.7 |
-3.9 |
3.0 |
8.9 |
13.9 |
16.7 |
15.3 |
10.8 |
4.7 |
-2.3 |
-10.0 |
2.7 |
| Days with Max Temp of 32 C or Higher |
0.0 |
0.0 |
0.0 |
< 0.5 |
< 0.5 |
2.0 |
4.0 |
2.0 |
1.0 |
0.0 |
0.0 |
0.0 |
9.0 |
| Days with Min Temp Below Freezing |
31.0 |
27.0 |
23.0 |
9.0 |
1.0 |
0.0 |
0.0 |
0.0 |
1.0 |
7.0 |
21.0 |
30.0 |
147 |
| | |
| Dubuque Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days |
1522 |
1226 |
967 |
522 |
237 |
34.0 |
6.0 |
27.0 |
124 |
456 |
861 |
1345 |
7327 |
| Cooling Degree Days |
0.0 |
0.0 |
0.0 |
0.0 |
39.0 |
118 |
232 |
176 |
22.0 |
6.0 |
0.0 |
0.0 |
593 |
| | |
| Dubuque Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) |
1.3 |
1.3 |
2.9 |
3.7 |
4.3 |
4.1 |
4.0 |
4.7 |
4.7 |
2.7 |
2.7 |
2.0 |
38.4 |
| Days with Precipitation 0.01 inch or More |
9.0 |
8.0 |
11.0 |
11.0 |
12.0 |
11.0 |
10.0 |
9.0 |
9.0 |
9.0 |
9.0 |
10.0 |
117 |
| Monthly Snowfall (inches) |
9.5 |
7.8 |
9.3 |
2.6 |
0.1 |
< 0.05 |
0.0 |
0.0 |
< 0.05 |
0.2 |
3.5 |
10.2 |
43.2 |
| | |
| Other Dubuque Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Clear Days |
7.0 |
8.0 |
6.0 |
6.0 |
7.0 |
6.0 |
8.0 |
9.0 |
10.0 |
10.0 |
7.0 |
7.0 |
92.0 |
| Partly Cloudy Days |
7.0 |
6.0 |
8.0 |
8.0 |
9.0 |
11.0 |
12.0 |
10.0 |
8.0 |
8.0 |
6.0 |
6.0 |
99.0 |
| Cloudy Days |
17.0 |
15.0 |
17.0 |
16.0 |
16.0 |
13.0 |
10.0 |
11.0 |
12.0 |
13.0 |
17.0 |
18.0 |
175 |
| Avg. Relative Humidity |
54.5 |
75.0 |
73.0 |
70.5 |
68.0 |
70.5 |
73.5 |
75.5 |
75.5 |
72.0 |
70.5 |
74.5 |
77.5 |
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