Mt Vernon 3 NE, Illinois
ID: USC00115943 Latitude: 38.3483 Longitude: -88.8533
Elevation: 490.2 feet ( 149.4 meters)
Source: NOAA Climate Normals 1991-2020
Precipitation Total: 44.97 in., 17.7 cm.
Monthly Data Table for Mt Vernon 3 NE, 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 |
39.1 |
42.2 |
54.3 |
65.1 |
74.0 |
83.0 |
85.3 |
84.3 |
78.8 |
67.0 |
53.9 |
43.6 |
Minimum Temperature |
°F |
22.0 |
23.4 |
34.7 |
44.1 |
55.9 |
64.5 |
67.3 |
64.8 |
57.8 |
45.2 |
33.9 |
27.0 |
Heating Degree Days |
°F |
1067.7 |
901.1 |
640.1 |
325.8 |
103.3 |
4.0 |
0.8 |
2.1 |
53.2 |
306.0 |
634.7 |
920.6 |
Cooling Degree Days |
°F |
0.0 |
0.0 |
4.4 |
13.8 |
101.6 |
266.3 |
351.0 |
298.1 |
151.9 |
30.1 |
1.8 |
0.0 |
Precipitation |
I |
2.7 |
2.9 |
4.6 |
5.6 |
5.4 |
5.0 |
4.3 |
3.8 |
3.7 |
4.1 |
3.7 |
3.7 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
3.9 |
5.7 |
12.4 |
18.4 |
23.3 |
28.3 |
29.6 |
29.1 |
26.0 |
19.4 |
12.2 |
6.4 |
Minimum Temperature |
°C |
-5.6 |
-4.8 |
1.5 |
6.7 |
13.3 |
18.1 |
19.6 |
18.2 |
14.3 |
7.3 |
1.1 |
-2.8 |
Heating Degree Days |
°C |
575.4 |
482.8 |
337.8 |
163.2 |
39.6 |
-15.6 |
-17.3 |
-16.6 |
11.8 |
152.2 |
334.8 |
493.7 |
Cooling Degree Days |
°C |
-17.8 |
-17.8 |
-15.3 |
-10.1 |
38.7 |
130.2 |
177.2 |
147.8 |
66.6 |
-1.1 |
-16.8 |
-17.8 |
Precipitation |
M |
6.9 |
7.3 |
11.7 |
14.2 |
13.8 |
12.7 |
11.0 |
9.7 |
9.4 |
10.4 |
9.5 |
9.5 |