Illinois July Weather

Illinois weather averages and all-time records in the month of July from 1991–2020 based on data made available by the NOAA.

State:

Month:

Illinois Cities

July weather averages for various places in Illinois, from 1991–2020.

City	Average (°F)		Record (°F)		Monthly (inches)
City	High	Low	High	Low	Precipitation
Aledo	84.2	63.5	113	44	3.8
Aurora	84.4	63.5	111	40	4.2
Belleville	89.8	68.1	110	43	4.0
Bloomington-Normal	85.8	63.6	114	41	4.1
Carbondale	88.2	67.6	112	42	4.0
Carlyle	87.1	67.7	113	47	4.2
Champaign	84.7	64.4	109	41	4.2
Charleston	86.9	66.3	110	45	4.3
Chicago	84.9	67.7	106	46	4.0
Danville	85.4	64.8	112	41	4.3
Decatur	86.2	66.7	113	45	4.1
Dixon	82.3	62.8	110	43	4.4
Du Quoin	87.8	67.9	113	47	3.9
Elgin	83.8	63.1	103	41	4.0
Elizabeth	83.3	60.4	103	39	4.5
Fairfield	88.5	66.2	113	45	3.8
Freeport	82.7	62.3	112	41	4.2
Galesburg	84.3	65.6	112	42	4.0
Geneseo	85.4	65.6	107	44	4.1
Hoopeston	84.8	64.6	111	43	4.5
Jacksonville	86.5	63.6	114	43	4.0
Joliet	83.9	64.3	103	44	4.6
Kankakee	84.8	64.2	109	42	4.3
Kewanee	83.2	62.9	105	42	3.5
Lincoln	85.5	63.7	113	41	4.8
Moline	85.7	64.9	111	46	4.2
Monmouth	85.6	64.1	110	43	4.0
Morris	84.7	65.1	109	41	4.7
Morrison	84.6	61.9	112	41	4.1
Mt. Vernon	86.1	67.1	114	46	3.7
Olney	87.4	66.2	112	45	4.8
Ottawa	84.3	64.4	112	39	3.6
Pana	87.5	65.7	115	45	4.0
Paris	84.9	65.3	109	45	3.9
Peoria	85.7	66.1	113	46	3.5
Quincy	86.0	66.5	114	47	3.5
Rantoul	86.8	64.0	109	42	4.4
Rockford	84.0	63.1	112	43	3.8
Springfield	86.4	65.8	112	48	3.8
Tuscola	85.7	65.7	113	44	4.4