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Fairfield July Weather

Averages and records for weather in Fairfield, Illinois in the month of July.

Typical Fairfield July Weather 1991–2020
Average daily high	88.5 °F
Average daily low	66.2 °F
Average monthly precipitation	3.8 inches
Average monthly snow	none
Daily chance of precipitation	27.3%
Daily chance of snow	0%

Fairfield July Weather Records 1895–2024
Highest temperature	113 °F	July 22, 1901
Lowest temperature	45 °F	July 26, 1911
Highest daily low	84 °F	July 15, 1936
Lowest daily high	64 °F	July 13, 1990
Hottest average high temperature	100.0 °F	1901
Coldest average high temperature	81.8 °F	2009
Most daily precipitation	5.6 inches	July 24, 1969
Most monthly precipitation	12.5 inches	1969
Most daily snow	none	-
Most monthly snow	none	-

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
July 1	88.0	65.2	108	47
July 2	88.1	65.2	105	48
July 3	88.2	65.3	104	51
July 4	88.3	65.5	103	48
July 5	88.4	65.6	107	49
July 6	88.4	65.7	105	50
July 7	88.5	65.9	107	48
July 8	88.5	65.9	105	51
July 9	88.6	66.0	105	52
July 10	88.6	66.0	105	50
July 11	88.6	66.1	108	51
July 12	88.6	66.2	108	52
July 13	88.6	66.2	106	51
July 14	88.6	66.3	110	50
July 15	88.6	66.3	110	52
July 16	88.6	66.3	103	53
July 17	88.6	66.3	106	50
July 18	88.7	66.3	107	51
July 19	88.7	66.2	105	52
July 20	88.8	66.2	104	54
July 21	88.8	66.3	110	50
July 22	88.7	66.2	113	50
July 23	88.6	66.2	110	48
July 24	88.5	66.1	108	52
July 25	88.5	66.0	107	49
July 26	88.5	66.0	104	45
July 27	88.5	66.0	106	47
July 28	88.5	65.9	108	50
July 29	88.4	65.9	103	52
July 30	88.3	65.8	106	49
July 31	88.2	65.7	103	46

Weather Station Details

Years	Station	Coordinates
1895–2024	Fairfield Radio WFIW	location