CLIMATE CHARTS
Morrison, Illinois
Latitude: 41.8039 Longitude: -89.9744
Elevation: 603 feet (183.8 meters)
Monthly Data Table for Morrison, Illinois
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
30.9 |
35.9 |
48.2 |
61.8 |
72.7 |
82.0 |
85.4 |
83.3 |
76.4 |
63.9 |
49.2 |
35.0 |
Minimum Temperature |
°F |
12.3 |
16.6 |
27.6 |
38.0 |
49.0 |
58.6 |
62.4 |
60.3 |
50.9 |
39.4 |
29.5 |
17.1 |
Heating Degree Days |
°F |
1345 |
1085 |
841 |
461 |
180 |
26 |
3 |
10 |
119 |
421 |
770 |
1207 |
Cooling Degree Days |
°F |
0 |
0 |
0 |
8 |
51 |
185 |
279 |
221 |
78 |
7 |
0 |
0 |
Precipitation |
in. |
1.48 |
1.69 |
2.68 |
3.48 |
4.20 |
4.83 |
3.94 |
4.70 |
2.96 |
2.97 |
2.74 |
2.09 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
-0.6 |
2.2 |
9.0 |
16.6 |
22.6 |
27.8 |
29.7 |
28.5 |
24.7 |
17.7 |
9.6 |
1.7 |
Minimum Temperature |
°C |
-10.9 |
-8.6 |
-2.4 |
3.3 |
9.4 |
14.8 |
16.9 |
15.7 |
10.5 |
4.1 |
-1.4 |
-8.3 |
Heating Degree Days |
°C |
747 |
603 |
467 |
256 |
100 |
14 |
2 |
6 |
66 |
234 |
428 |
671 |
Cooling Degree Days |
°C |
0 |
0 |
0 |
4 |
28 |
103 |
155 |
123 |
43 |
4 |
0 |
0 |
Precipitation |
cm. |
3.76 |
4.29 |
6.81 |
8.84 |
10.67 |
12.27 |
10.01 |
11.94 |
7.52 |
7.54 |
6.96 |
5.31 |