Illinois, Climate Division 6 March-April Average Temperature
Degrees Fahrenheit
1901-2000
-99
189504
47.9
0.5
189604
48.6
1.2
189704
46.3
-1.1
189804
47.0
-0.4
189904
44.1
-3.3
190004
45.3
-2.1
190104
45.1
-2.3
190204
46.9
-0.5
190304
49.5
2.1
190404
43.7
-3.7
190504
49.8
2.4
190604
43.4
-4.0
190704
46.6
-0.8
190804
49.3
1.9
190904
46.0
-1.4
191004
52.9
5.5
191104
46.5
-0.9
191204
42.7
-4.7
191304
45.2
-2.2
191404
46.2
-1.2
191504
46.8
-0.6
191604
45.7
-1.7
191704
46.6
-0.8
191804
48.1
0.7
191904
48.5
1.1
192004
44.9
-2.5
192104
52.6
5.2
192204
48.4
1.0
192304
44.8
-2.6
192404
45.6
-1.8
192504
51.6
4.2
192604
41.0
-6.4
192704
48.8
1.4
192804
45.7
-1.7
192904
51.5
4.1
193004
48.6
1.2
193104
45.0
-2.4
193204
44.5
-2.9
193304
46.8
-0.6
193404
45.3
-2.1
193504
48.5
1.1
193604
47.3
-0.1
193704
45.4
-2.0
193804
52.2
4.8
193904
47.1
-0.3
194004
45.2
-2.2
194104
47.0
-0.4
194204
50.4
3.0
194304
44.8
-2.6
194404
44.1
-3.3
194504
52.8
5.4
194604
55.2
7.8
194704
43.3
-4.1
194804
49.1
1.7
194904
46.3
-1.1
195004
42.9
-4.5
195104
43.4
-4.0
195204
46.1
-1.3
195304
46.6
-0.8
195404
49.1
1.7
195504
50.7
3.3
195604
46.9
-0.5
195704
47.5
0.1
195804
45.0
-2.4
195904
48.1
0.7
196004
41.6
-5.8
196104
46.7
-0.7
196204
44.7
-2.7
196304
51.7
4.3
196404
48.0
0.6
196504
44.2
-3.2
196604
47.2
-0.2
196704
50.9
3.5
196804
48.9
1.5
196904
44.8
-2.6
197004
46.6
-0.8
197104
46.7
-0.7
197204
47.6
0.2
197304
50.5
3.1
197404
51.0
3.6
197504
44.3
-3.1
197604
51.2
3.8
197704
53.3
5.9
197804
44.7
-2.7
197904
46.4
-1.0
198004
44.6
-2.8
198104
51.5
4.1
198204
45.3
-2.1
198304
45.2
-2.2
198404
43.2
-4.2
198504
52.1
4.7
198604
51.7
4.3
198704
50.1
2.7
198804
47.9
0.5
198904
47.5
0.1
199004
48.7
1.3
199104
51.9
4.5
199204
49.0
1.6
199304
44.2
-3.2
199404
48.6
1.2
199504
48.4
1.0
199604
42.9
-4.5
199704
46.7
-0.7
199804
47.3
-0.1
199904
47.8
0.4
200004
49.9
2.5
200104
48.9
1.5
200204
47.1
-0.3