CLIMATE CHARTS
Effingham, Illinois
Latitude: 39.1186 Longitude: -88.6242
Elevation: 625 feet (190.5 meters)
Monthly Data Table for Effingham, Illinois
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
36.2 |
41.2 |
52.3 |
64.5 |
74.2 |
83.7 |
87.1 |
86.2 |
79.5 |
67.1 |
53.6 |
39.9 |
Minimum Temperature |
°F |
19.7 |
23.0 |
32.1 |
42.2 |
52.6 |
62.2 |
65.7 |
63.5 |
54.9 |
43.6 |
34.2 |
23.3 |
Heating Degree Days |
°F |
1148 |
921 |
709 |
366 |
128 |
15 |
1 |
4 |
71 |
320 |
634 |
1035 |
Cooling Degree Days |
°F |
0 |
0 |
2 |
16 |
79 |
253 |
354 |
309 |
137 |
21 |
1 |
0 |
Precipitation |
in. |
2.89 |
2.72 |
3.27 |
4.01 |
5.27 |
4.46 |
4.43 |
2.75 |
2.99 |
3.59 |
4.13 |
3.22 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
2.3 |
5.1 |
11.3 |
18.1 |
23.4 |
28.7 |
30.6 |
30.1 |
26.4 |
19.5 |
12.0 |
4.4 |
Minimum Temperature |
°C |
-6.8 |
-5.0 |
0.1 |
5.7 |
11.4 |
16.8 |
18.7 |
17.5 |
12.7 |
6.4 |
1.2 |
-4.8 |
Heating Degree Days |
°C |
638 |
512 |
394 |
203 |
71 |
8 |
1 |
2 |
39 |
178 |
352 |
575 |
Cooling Degree Days |
°C |
0 |
0 |
1 |
9 |
44 |
141 |
197 |
172 |
76 |
12 |
1 |
0 |
Precipitation |
cm. |
7.34 |
6.91 |
8.31 |
10.19 |
13.39 |
11.33 |
11.25 |
6.99 |
7.59 |
9.12 |
10.49 |
8.18 |