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Monmouth July Weather

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

Typical Monmouth July Weather 1991–2020
Average daily high	85.6 °F
Average daily low	64.1 °F
Average monthly precipitation	4.0 inches
Average monthly snow	none
Daily chance of precipitation	26.6%
Daily chance of snow	0%

Monmouth July Weather Records 1893–2024
Highest temperature	110 °F	July 15, 1936
Lowest temperature	43 °F	July 17, 1896
Highest daily low	82 °F	July 15, 1936
Lowest daily high	61 °F	July 8, 2015
Hottest average high temperature	98.5 °F	1936
Coldest average high temperature	80.2 °F	2009
Most daily precipitation	6.5 inches	July 15, 1929
Most monthly precipitation	12.6 inches	1982
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	84.6	63.4	102	45
July 2	84.7	63.5	101	45
July 3	84.7	63.6	106	46
July 4	84.8	63.7	106	47
July 5	85.0	63.9	105	45
July 6	85.0	64.0	104	47
July 7	85.1	64.1	103	45
July 8	85.2	64.1	102	45
July 9	85.2	64.1	102	49
July 10	85.2	64.1	103	49
July 11	85.3	64.2	106	45
July 12	85.3	64.2	108	49
July 13	85.3	64.3	109	48
July 14	85.4	64.3	108	46
July 15	85.4	64.3	110	48
July 16	85.4	64.2	103	51
July 17	85.4	64.2	102	43
July 18	85.5	64.3	101	50
July 19	85.5	64.2	102	50
July 20	85.5	64.2	102	49
July 21	85.5	64.2	106	46
July 22	85.4	64.1	107	43
July 23	85.3	64.0	106	46
July 24	85.3	63.9	107	48
July 25	85.2	63.9	107	51
July 26	85.2	63.9	105	46
July 27	85.3	63.9	106	49
July 28	85.2	63.8	103	50
July 29	85.1	63.7	105	50
July 30	85.0	63.7	106	47
July 31	84.9	63.5	104	46

Weather Station Details

Years	Station	Coordinates
1893–2024	Monmouth	location