Peoria Climate -- Normal Monthly Statistics

Locally Heavy Rainfall for the Carolinas; Thunderstorms and Fire Weather Concerns for Intermountain West

Heavy rainfall from scattered thunderstorms is expected across the Southwest, Intermountain West, and Plains. Isolated dry thunderstorms may initiate additional fires across the west. The coastal Carolinas may experience flash floods in the coming days due to repeated thunderstorms. Additionally, a wave of intense summer heat will hit the Southern Plains and central Gulf Coast States this week. Read More >

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 26
Average date of last measurable snow	March 21
Average number of days with measurable snow	19.6
Average number of days with at least 1" of snow	8.0

Snowfall Normals

Average date of first measurable snow

November 26

Average date of last measurable snow

March 21

Average number of days with measurable snow

19.6

Average number of days with at least 1" of snow

8.0

Period used for normals: 1991-2020