CLIMATE CHARTS
Jerseyville, Illinois
Latitude: 39.1053 Longitude: -90.3419
Elevation: 629.9 feet (192.0 meters)
Monthly Data Table for Jerseyville, Illinois
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
36.7 |
41.9 |
52.9 |
65.2 |
74.6 |
83.2 |
87.1 |
86.1 |
79.1 |
67.4 |
53.8 |
40.1 |
Minimum Temperature |
°F |
19.0 |
22.9 |
32.3 |
42.3 |
52.8 |
62.0 |
65.7 |
63.1 |
54.2 |
42.9 |
34.0 |
22.4 |
Heating Degree Days |
°F |
1152 |
913 |
697 |
356 |
121 |
15 |
1 |
5 |
77 |
324 |
634 |
1046 |
Cooling Degree Days |
°F |
0 |
0 |
3 |
19 |
81 |
243 |
354 |
302 |
126 |
18 |
1 |
0 |
Precipitation |
in. |
2.17 |
2.25 |
3.24 |
3.88 |
4.61 |
3.84 |
3.62 |
3.17 |
3.41 |
3.21 |
4.08 |
3.12 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
2.6 |
5.5 |
11.6 |
18.4 |
23.7 |
28.4 |
30.6 |
30.1 |
26.2 |
19.7 |
12.1 |
4.5 |
Minimum Temperature |
°C |
-7.2 |
-5.1 |
0.2 |
5.7 |
11.6 |
16.7 |
18.7 |
17.3 |
12.3 |
6.1 |
1.1 |
-5.3 |
Heating Degree Days |
°C |
640 |
507 |
387 |
198 |
67 |
8 |
1 |
3 |
43 |
180 |
352 |
581 |
Cooling Degree Days |
°C |
0 |
0 |
2 |
11 |
45 |
135 |
197 |
168 |
70 |
10 |
1 |
0 |
Precipitation |
cm. |
5.51 |
5.71 |
8.23 |
9.86 |
11.71 |
9.75 |
9.19 |
8.05 |
8.66 |
8.15 |
10.36 |
7.92 |