Rockford, Illinois January-March Average Temperature
Degrees Fahrenheit
1951-1998
-99
195103
23.9
-2.4
195203
27.7
1.4
195303
29.3
3.0
195403
29.2
2.9
195503
25.7
-0.6
195603
27.7
1.4
195703
26.3
0.0
195803
23.7
-2.6
195903
22.8
-3.5
196003
22.7
-3.6
196103
29.2
2.9
196203
22.2
-4.1
196303
22.0
-4.3
196403
28.9
2.6
196503
23.2
-3.1
196603
25.7
-0.6
196703
26.5
0.2
196803
27.8
1.5
196903
26.0
-0.3
197003
22.9
-3.4
197103
24.3
-2.0
197203
23.5
-2.8
197303
32.3
6.0
197403
27.4
1.1
197503
25.5
-0.8
197603
29.4
3.1
197703
24.7
-1.6
197803
18.4
-7.9
197903
18.2
-8.1
198003
23.0
-3.3
198103
28.6
2.3
198203
21.3
-5.0
198303
30.9
4.6
198403
25.9
-0.4
198503
24.3
-2.0
198603
28.2
1.9
198703
32.3
6.0
198803
24.4
-1.9
198903
27.1
0.8
199003
33.2
6.9
199103
28.6
2.3
199203
32.7
6.4
199303
26.8
0.5
199403
22.5
-3.8
199503
27.8
1.5
199603
24.7
-1.6
199703
27.6
1.3
199803
34.3
8.0