Chicago Ohare Intl Ap, Illinois
ID: USW00094846 Latitude: 41.9950 Longitude: -87.9336
Elevation: 658.1 feet ( 200.6 meters)
Source: NOAA Climate Normals 1991-2020
Precipitation Total: 37.86 in., 14.91 cm.
Monthly Data Table for Chicago Ohare Intl Ap, 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 |
31.9 |
34.2 |
47.5 |
59.1 |
70.9 |
80.7 |
84.9 |
83.1 |
75.8 |
62.4 |
48.8 |
36.9 |
Minimum Temperature |
°F |
18.7 |
19.7 |
31.5 |
40.1 |
51.2 |
61.3 |
66.9 |
65.7 |
58.2 |
45.5 |
34.0 |
24.5 |
Heating Degree Days |
°F |
1230.5 |
1065.1 |
794.0 |
467.2 |
184.5 |
22.1 |
1.8 |
2.7 |
66.7 |
356.8 |
708.4 |
1063.1 |
Cooling Degree Days |
°F |
0.0 |
0.0 |
3.3 |
5.2 |
62.0 |
202.1 |
339.5 |
294.0 |
126.5 |
14.3 |
0.4 |
0.0 |
Precipitation |
I |
2.0 |
2.3 |
2.7 |
4.0 |
5.3 |
4.7 |
4.4 |
3.9 |
3.8 |
3.7 |
2.2 |
2.6 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
-0.1 |
1.2 |
8.6 |
15.1 |
21.6 |
27.1 |
29.4 |
28.4 |
24.3 |
16.9 |
9.3 |
2.7 |
Minimum Temperature |
°C |
-7.4 |
-6.8 |
-0.3 |
4.5 |
10.7 |
16.3 |
19.4 |
18.7 |
14.6 |
7.5 |
1.1 |
-4.2 |
Heating Degree Days |
°C |
665.8 |
573.9 |
423.3 |
241.8 |
84.7 |
-5.5 |
-16.8 |
-16.3 |
19.3 |
180.4 |
375.8 |
572.8 |
Cooling Degree Days |
°C |
-17.8 |
-17.8 |
-15.9 |
-14.9 |
16.7 |
94.5 |
170.8 |
145.6 |
52.5 |
-9.8 |
-17.6 |
-17.8 |
Precipitation |
M |
5.0 |
5.9 |
6.9 |
10.3 |
13.4 |
12.0 |
11.2 |
9.8 |
9.5 |
9.4 |
5.6 |
6.7 |