Hennepin, Illinois
ID: USC00114012 Latitude: 41.2542 Longitude: -89.3378
Elevation: 515.1 feet ( 157.0 meters)
Source: NOAA Climate Normals 1991-2020
Precipitation Total: 38.58 in., 15.19 cm.
Monthly Data Table for Hennepin, Illinois
Monthly Data from NOAA Monthly Normals 2006-2020
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
32.8 |
35.5 |
50.7 |
63.6 |
74.2 |
82.0 |
84.6 |
83.1 |
77.7 |
64.9 |
50.5 |
37.3 |
Minimum Temperature |
°F |
17.1 |
17.9 |
30.8 |
40.7 |
52.1 |
61.8 |
64.8 |
62.3 |
55.3 |
43.4 |
32.3 |
22.1 |
Heating Degree Days |
°F |
1241.3 |
1071.9 |
756.2 |
391.9 |
135.5 |
8.7 |
1.8 |
5.3 |
74.4 |
351.1 |
709.5 |
1094.0 |
Cooling Degree Days |
°F |
0.0 |
0.0 |
4.4 |
6.4 |
78.0 |
215.5 |
302.3 |
243.9 |
119.2 |
14.6 |
1.5 |
0.0 |
Precipitation |
I |
1.8 |
2.1 |
2.9 |
4.3 |
5.1 |
5.0 |
3.9 |
4.0 |
4.0 |
3.5 |
2.3 |
2.6 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
0.4 |
1.9 |
10.4 |
17.6 |
23.4 |
27.8 |
29.2 |
28.4 |
25.4 |
18.3 |
10.3 |
2.9 |
Minimum Temperature |
°C |
-8.3 |
-7.8 |
-0.7 |
4.8 |
11.2 |
16.6 |
18.2 |
16.8 |
12.9 |
6.3 |
0.2 |
-5.5 |
Heating Degree Days |
°C |
671.8 |
577.7 |
402.3 |
199.9 |
57.5 |
-12.9 |
-16.8 |
-14.8 |
23.6 |
177.3 |
376.4 |
590.0 |
Cooling Degree Days |
°C |
-17.8 |
-17.8 |
-15.3 |
-14.2 |
25.6 |
101.9 |
150.2 |
117.7 |
48.4 |
-9.7 |
-16.9 |
-17.8 |
Precipitation |
M |
4.7 |
5.3 |
7.3 |
10.9 |
13.0 |
12.6 |
9.9 |
10.0 |
10.2 |
8.9 |
5.8 |
6.6 |