Rockford, Illinois August-April Average Temperature
Degrees Fahrenheit
195204
40.8
195304
42.3
195404
44.4
195504
42.8
195604
41.8
195704
42.8
195804
41.0
195904
40.5
196004
41.1
196104
42.5
196204
40.5
196304
40.7
196404
43.5
196504
40.1
196604
42.4
196704
42.1
196804
41.9
196904
42.1
197004
40.5
197104
41.6
197204
42.8
197304
43.1
197404
43.6
197504
40.8
197604
43.9
197704
39.0
197804
38.3
197904
39.1
198004
41.0
198104
43.2
198204
39.6
198304
43.9
198404
41.3
198504
42.7
198604
41.5
198704
44.0
198804
41.6
198904
42.6
199004
42.5
199104
-99
199204
44.1
199304
40.8
199404
40.6
199504
43.1
199604
40.7
199704
41.2
199804
44.7
199904
45.4
200004
44.6
200104
41.8
200204
46.0
200304
42.5
200404
44.5
200504
44.2
200604
45.8
200704
43.5
200804
43.5
200904
42.0
201004
43.2
201104
-99
201204
47.0
201304
42.5
201404
38.8
201504
40.9
201604
46.8
201704
47.5
201804
41.8
201904
41.7