Casey, Illinois
ID: USC00111329 Latitude: 39.2975 Longitude: -87.9747
Elevation: 620.1 feet ( 189.0 meters)
Source: NOAA Climate Normals 1991-2020
Precipitation Total: 45.54 in., 17.93 cm.
Monthly Data Table for Casey, 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 |
38.3 |
41.6 |
54.1 |
65.6 |
76.4 |
85.0 |
87.7 |
86.7 |
81.2 |
68.5 |
54.4 |
42.9 |
Minimum Temperature |
°F |
19.6 |
20.4 |
32.6 |
42.8 |
54.6 |
63.4 |
65.8 |
64.2 |
56.4 |
44.4 |
33.1 |
24.9 |
Heating Degree Days |
°F |
1117.2 |
951.4 |
671.9 |
335.3 |
101.5 |
3.2 |
0.1 |
1.1 |
47.3 |
297.4 |
640.0 |
963.8 |
Cooling Degree Days |
°F |
0.0 |
0.0 |
0.6 |
11.3 |
116.8 |
278.8 |
364.2 |
324.8 |
161.0 |
32.3 |
2.6 |
0.0 |
Precipitation |
I |
3.1 |
2.9 |
3.5 |
5.7 |
4.4 |
6.2 |
4.4 |
2.7 |
3.1 |
4.2 |
3.7 |
3.5 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
3.5 |
5.3 |
12.3 |
18.7 |
24.7 |
29.4 |
30.9 |
30.4 |
27.3 |
20.3 |
12.4 |
6.1 |
Minimum Temperature |
°C |
-6.9 |
-6.4 |
0.3 |
6.0 |
12.6 |
17.4 |
18.8 |
17.9 |
13.6 |
6.9 |
0.6 |
-3.9 |
Heating Degree Days |
°C |
602.9 |
510.8 |
355.5 |
168.5 |
38.6 |
-16.0 |
-17.7 |
-17.2 |
8.5 |
147.4 |
337.8 |
517.7 |
Cooling Degree Days |
°C |
-17.8 |
-17.8 |
-17.4 |
-11.5 |
47.1 |
137.1 |
184.6 |
162.7 |
71.7 |
0.2 |
-16.3 |
-17.8 |
Precipitation |
M |
7.8 |
7.3 |
8.9 |
14.5 |
11.3 |
15.6 |
11.1 |
6.8 |
7.8 |
10.6 |
9.4 |
8.9 |