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St. Charles July Weather

Averages and records for weather in St. Charles, Missouri in the month of July.

Typical St. Charles July Weather 1991–2020
Average daily high	87.1 °F
Average daily low	67.4 °F
Average monthly precipitation	4.2 inches
Average monthly snow	none
Daily chance of precipitation	27.0%
Daily chance of snow	0%

St. Charles July Weather Records 1893–2024
Highest temperature	115 °F	July 14, 1954
Lowest temperature	47 °F	July 7, 1972
Highest daily low	83 °F	July 26, 1936
Lowest daily high	65 °F	July 3, 2013
Hottest average high temperature	102.8 °F	1936
Coldest average high temperature	81.6 °F	2009
Most daily precipitation	9.2 inches	July 26, 2022
Most monthly precipitation	12.6 inches	2022
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	86.4	66.4	104	52
July 2	86.5	66.5	106	51
July 3	86.6	66.6	104	52
July 4	86.7	66.8	104	50
July 5	86.9	67.0	106	50
July 6	87.0	67.1	107	47
July 7	87.1	67.2	108	47
July 8	87.2	67.3	100	50
July 9	87.3	67.4	108	53
July 10	87.4	67.5	108	54
July 11	87.4	67.6	109	53
July 12	87.5	67.7	111	54
July 13	87.5	67.9	110	49
July 14	87.6	67.9	115	48
July 15	87.6	68.0	109	50
July 16	87.6	67.9	107	54
July 17	87.6	67.9	106	53
July 18	87.6	67.9	113	53
July 19	87.7	67.9	111	54
July 20	87.8	67.9	114	55
July 21	87.9	67.9	108	50
July 22	87.8	67.8	109	53
July 23	87.7	67.8	114	55
July 24	87.6	67.7	114	53
July 25	87.5	67.6	111	52
July 26	87.5	67.6	107	52
July 27	87.5	67.6	110	50
July 28	87.6	67.5	112	52
July 29	87.5	67.4	107	53
July 30	87.4	67.3	105	53
July 31	87.4	67.2	103	50

Weather Station Details

Years	Station	Coordinates
1893–2024	St. Charles Elm Point	location