Lisle!morton Arboretum, Illinois
ID: USC00115097 Latitude: 41.8128 Longitude: -88.0728
Elevation: 680.1 feet ( 207.3 meters)
Source: NOAA Climate Normals 1991-2020
Precipitation Total: 40.18 in., 15.82 cm.
Monthly Data Table for Lisle!morton Arboretum, 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 |
32.0 |
34.1 |
47.6 |
59.1 |
70.9 |
80.9 |
84.5 |
82.8 |
76.4 |
62.7 |
48.8 |
37.0 |
Minimum Temperature |
°F |
15.1 |
15.3 |
27.0 |
36.1 |
48.2 |
58.1 |
62.2 |
60.2 |
53.0 |
40.7 |
29.8 |
21.1 |
Heating Degree Days |
°F |
1284.8 |
1128.0 |
860.9 |
524.9 |
220.9 |
29.9 |
6.5 |
11.3 |
100.8 |
422.1 |
771.2 |
1114.3 |
Cooling Degree Days |
°F |
0.0 |
0.0 |
2.1 |
2.9 |
51.8 |
164.8 |
265.3 |
212.7 |
91.7 |
9.8 |
0.2 |
0.0 |
Precipitation |
I |
2.1 |
2.3 |
2.6 |
4.2 |
5.4 |
5.0 |
4.3 |
4.2 |
3.7 |
4.2 |
2.4 |
2.8 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
0.0 |
1.2 |
8.7 |
15.1 |
21.6 |
27.2 |
29.2 |
28.2 |
24.7 |
17.1 |
9.3 |
2.8 |
Minimum Temperature |
°C |
-9.4 |
-9.3 |
-2.8 |
2.3 |
9.0 |
14.5 |
16.8 |
15.7 |
11.7 |
4.8 |
-1.2 |
-6.1 |
Heating Degree Days |
°C |
696.0 |
608.9 |
460.5 |
273.8 |
104.9 |
-1.2 |
-14.2 |
-11.5 |
38.2 |
216.7 |
410.7 |
601.3 |
Cooling Degree Days |
°C |
-17.8 |
-17.8 |
-16.6 |
-16.2 |
11.0 |
73.8 |
129.6 |
100.4 |
33.2 |
-12.3 |
-17.7 |
-17.8 |
Precipitation |
M |
5.4 |
5.8 |
6.7 |
10.7 |
13.7 |
12.6 |
11.0 |
10.8 |
9.5 |
10.6 |
6.1 |
7.0 |