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St. Charles October Weather

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

Typical St. Charles October Weather 1991–2020
Average daily high	68.5 °F
Average daily low	45.2 °F
Average monthly precipitation	3.5 inches
Average monthly snow	none
Daily chance of precipitation	26.4%
Daily chance of snow	0%

St. Charles October Weather Records 1893–2024
Highest temperature	97 °F	October 2, 1953
Lowest temperature	19 °F	October 30, 1925
Highest daily low	72 °F	October 2, 2019
Lowest daily high	29 °F	October 29, 1925
Hottest average high temperature	81.0 °F	1963
Coldest average high temperature	58.4 °F	1925
Most daily precipitation	6.2 inches	October 18, 1905
Most monthly precipitation	14.4 inches	2009
Most daily snow	1.0 inches	October 27, 1913
Most monthly snow	1.0 inches	1913

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
October 1	74.6	51.0	94	33
October 2	74.3	50.6	97	30
October 3	73.9	50.1	94	31
October 4	73.5	49.7	92	32
October 5	73.0	49.3	93	30
October 6	72.6	48.8	94	30
October 7	72.2	48.4	95	26
October 8	71.8	48.0	94	28
October 9	71.5	47.7	92	29
October 10	71.1	47.4	93	27
October 11	70.7	47.0	92	28
October 12	70.3	46.7	89	28
October 13	69.8	46.4	91	26
October 14	69.3	46.0	93	24
October 15	68.8	45.7	92	24
October 16	68.3	45.4	91	31
October 17	67.8	45.0	90	28
October 18	67.2	44.5	89	27
October 19	66.7	44.0	90	25
October 20	66.1	43.5	88	24
October 21	65.6	43.1	86	24
October 22	65.1	42.8	88	21
October 23	64.7	42.5	93	22
October 24	64.2	42.1	88	22
October 25	63.7	41.7	89	22
October 26	63.3	41.3	88	22
October 27	63.0	41.1	89	22
October 28	62.6	40.7	89	22
October 29	62.1	40.3	89	22
October 30	61.5	39.9	91	19
October 31	61.0	39.5	93	24

Weather Station Details

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