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The tables below display average monthly climate and weather indicators in Peoria Illinois.
Temperature by: Fahrenheit / Centigrade
| Peoria Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature |
21.6 |
26.3 |
39.0 |
51.4 |
61.9 |
71.5 |
75.5 |
73.1 |
66.1 |
54.0 |
41.2 |
27.0 |
50.7 |
| Avg. Max Temperature |
29.9 |
34.9 |
48.1 |
62.0 |
72.8 |
82.2 |
85.7 |
83.1 |
76.9 |
64.8 |
49.8 |
34.6 |
60.4 |
| Avg. Min Temperature |
13.2 |
17.7 |
29.8 |
40.8 |
50.9 |
60.7 |
65.4 |
63.1 |
55.2 |
43.1 |
32.5 |
19.3 |
41.0 |
| Days with Max Temp of 90 F or Higher |
0.0 |
0.0 |
0.0 |
< 0.5 |
< 0.5 |
5.0 |
8.0 |
5.0 |
2.0 |
< 0.5 |
0.0 |
0.0 |
20.0 |
| Days with Min Temp Below Freezing |
29.0 |
25.0 |
19.0 |
6.0 |
< 0.5 |
0.0 |
0.0 |
0.0 |
< 0.5 |
4.0 |
17.0 |
27.0 |
127 |
| | |
| Peoria Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days |
1345 |
1084 |
806 |
408 |
183 |
11.0 |
0.0 |
9.0 |
54.0 |
356 |
714 |
1178 |
6148 |
| Cooling Degree Days |
0.0 |
0.0 |
0.0 |
0.0 |
87.0 |
206 |
326 |
261 |
87.0 |
15.0 |
0.0 |
0.0 |
982 |
| | |
| Peoria Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) |
1.5 |
1.4 |
2.9 |
3.8 |
3.7 |
4.0 |
4.2 |
3.1 |
3.9 |
2.6 |
2.7 |
2.4 |
36.2 |
| Days with Precipitation 0.01 inch or More |
9.0 |
8.0 |
11.0 |
12.0 |
12.0 |
10.0 |
9.0 |
8.0 |
9.0 |
8.0 |
9.0 |
10.0 |
114 |
| Monthly Snowfall (inches) |
6.6 |
5.4 |
4.0 |
0.8 |
0.0 |
0.0 |
< 0.05 |
0.0 |
< 0.05 |
0.1 |
2.0 |
5.9 |
24.8 |
| | |
| Other Peoria Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Average Wind Speed |
11.0 |
10.9 |
12.0 |
11.6 |
9.9 |
8.9 |
7.8 |
7.5 |
8.3 |
9.3 |
10.7 |
10.6 |
9.9 |
| Clear Days |
7.0 |
7.0 |
6.0 |
6.0 |
7.0 |
7.0 |
9.0 |
10.0 |
11.0 |
11.0 |
7.0 |
7.0 |
95.0 |
| Partly Cloudy Days |
6.0 |
6.0 |
7.0 |
8.0 |
10.0 |
11.0 |
12.0 |
10.0 |
9.0 |
8.0 |
6.0 |
6.0 |
97.0 |
| Cloudy Days |
18.0 |
16.0 |
18.0 |
16.0 |
14.0 |
12.0 |
10.0 |
10.0 |
10.0 |
12.0 |
17.0 |
19.0 |
172 |
| Percent of Possible Sunshine |
47.0 |
50.0 |
51.0 |
55.0 |
60.0 |
67.0 |
69.0 |
67.0 |
64.0 |
61.0 |
43.0 |
42.0 |
56.0 |
| Avg. Relative Humidity |
59.5 |
75.5 |
74.5 |
70.5 |
69.0 |
70.0 |
72.5 |
75.0 |
75.0 |
72.5 |
71.0 |
75.0 |
77.5 |
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