Peoria Normal Monthly Statistics

Month Average
High
(°F)
Average
Low
(°F)
Mean
Temp.
(°F)
Heating
Degree
Days
Cooling
Degree
Days
Average
Precip.
(in.)
Average
Snow
(in.)
January 32.8 17.0 24.9 1243 0 1.78 6.9
February 37.7 21.2 29.5 995 0 1.79 6.2
March 50.3 31.0 40.6 756 1 2.80 2.7
April 63.0 41.7 52.3 393 13 3.63 0.6
May 73.2 51.6 62.4 148 67 4.33 0
June 82.2 61.4 71.8 18 222 3.53 0
July 85.6 65.5 75.5 1 328 3.85 0
August 83.8 63.7 73.8 5 276 3.24 0
September 77.0 55.2 66.1 84 117 3.15 0
October 64.5 43.5 54.0 356 15 2.84 Trace
November 50.3 32.9 41.6 702 0 3.13 1.1
December 36.1 21.0 28.6 1130 0 2.42 7.1
Annual 61.5 42.2 51.9 5831 1040 36.49 24.6


Period used for normals: 1981-2010


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