Peoria Climate -- Normal Monthly Statistics

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	33.6	17.6	25.6	1221	0	2.06	7.7
February	38.7	21.4	30.0	978	0	1.99	6.9
March	51.2	31.6	41.4	734	2	2.69	3.3
April	63.7	41.4	52.9	376	12	3.99	0.5
May	74.2	52.8	63.5	135	88	4.69	0
June	83.2	62.4	72.8	13	247	3.73	0
July	86.3	66.3	76.3	1	351	3.53	0
August	84.6	64.4	74.5	3	297	3.31	0
September	78.4	56.3	67.4	66	137	3.48	0
October	65.4	44.4	54.9	335	22	3.17	0.1
November	50.8	33.0	41.9	694	1	2.70	1.5
December	38.5	23.2	30.9	1058	0	2.21	6.2
Annual	62.4	43.0	52.7	5614	1157	37.55	26.2

*Snowfall Normals*
Average date of first measurable snow	November 25
Average date of last measurable snow	March 21
Average number of days with measurable snow	22
Average number of days with at least 1 inch of snow	8.9

Period used for normals: 1991-2020