Grafton, IL Local Information, Schools & Real Estate Listings
Homes for Sale in Grafton, IL
What is the average temperature in Grafton, IL?
Month
Low
Med
High
Rain
Jan
15.8°
25.7°
35.5°
1.6 "
Feb
19.8°
30°
40.1°
1.83 "
Mar
31.5°
41.9°
52.3°
3.35 "
Apr
42.4°
53.7°
64.9°
3.75 "
May
51.7°
63.1°
74.4°
3.89 "
Jun
60.7°
71.9°
83.1°
3.57 "
Jul
64.7°
76.2°
87.7°
3.84 "
Aug
61.9°
73.7°
85.5°
3.55 "
Sep
54.4°
66.6°
78.8°
3.58 "
Oct
43.1°
55.4°
67.7°
2.8 "
Nov
33°
43.2°
53.3°
3.18 "
Dec
21.8°
30.9°
39.9°
2.8 "