CLIMATE CHARTS
Athens, Illinois
Latitude: 39.9467 Longitude: -89.7597
Elevation: 589.9 feet (179.8 meters)
Monthly Data Table for Athens, Illinois
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
34.4 |
39.5 |
51.4 |
64.2 |
73.6 |
81.6 |
83.4 |
83.5 |
77.2 |
65.1 |
52.7 |
38.1 |
Minimum Temperature |
°F |
17.7 |
21.1 |
30.3 |
41.2 |
51.3 |
60.9 |
64.3 |
62.4 |
53.2 |
42.5 |
33.5 |
21.2 |
Heating Degree Days |
°F |
1207 |
971 |
750 |
382 |
147 |
18 |
2 |
7 |
88 |
361 |
658 |
1095 |
Cooling Degree Days |
°F |
0 |
0 |
1 |
12 |
68 |
206 |
276 |
253 |
94 |
14 |
1 |
0 |
Precipitation |
in. |
1.92 |
1.95 |
2.61 |
3.76 |
4.39 |
4.22 |
4.17 |
3.48 |
3.09 |
3.06 |
3.37 |
2.62 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
1.3 |
4.2 |
10.8 |
17.9 |
23.1 |
27.6 |
28.6 |
28.6 |
25.1 |
18.4 |
11.5 |
3.4 |
Minimum Temperature |
°C |
-7.9 |
-6.1 |
-0.9 |
5.1 |
10.7 |
16.1 |
17.9 |
16.9 |
11.8 |
5.8 |
0.8 |
-6.0 |
Heating Degree Days |
°C |
671 |
539 |
417 |
212 |
82 |
10 |
1 |
4 |
49 |
201 |
366 |
608 |
Cooling Degree Days |
°C |
0 |
0 |
1 |
7 |
38 |
114 |
153 |
141 |
52 |
8 |
1 |
0 |
Precipitation |
cm. |
4.88 |
4.95 |
6.63 |
9.55 |
11.15 |
10.72 |
10.59 |
8.84 |
7.85 |
7.77 |
8.56 |
6.65 |