< Previous Month Next Month >

St. Charles March Weather

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

Typical St. Charles March Weather 1991–2020
Average daily high	55.1 °F
Average daily low	33.7 °F
Average monthly precipitation	3.6 inches
Average monthly snow	0.4 inches
Daily chance of precipitation	31.6%
Daily chance of snow	1.2%

St. Charles March Weather Records 1893–2024
Highest temperature	93 °F	March 24, 1929
Lowest temperature	-7 °F	March 6, 1978
Highest daily low	69 °F	March 27, 1991
Lowest daily high	19 °F	March 5, 2019
Hottest average high temperature	71.6 °F	1910
Coldest average high temperature	41.3 °F	1906
Most daily precipitation	3.8 inches	March 31, 1897
Most monthly precipitation	10.7 inches	1897
Most daily snow	12.0 inches	March 24, 1912
Most monthly snow	27.5 inches	1912

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
March 1	49.6	28.6	84	2
March 2	49.9	28.9	77	3
March 3	50.3	29.2	83	1
March 4	50.8	29.6	83	-5
March 5	51.2	30.0	87	-2
March 6	51.4	30.4	87	-7
March 7	51.7	30.6	83	-2
March 8	51.9	30.8	86	3
March 9	52.3	31.1	81	3
March 10	52.7	31.4	88	10
March 11	53.0	31.7	84	7
March 12	53.3	32.0	84	-1
March 13	53.7	32.4	87	7
March 14	54.2	32.8	81	11
March 15	54.6	33.2	81	12
March 16	54.9	33.6	89	14
March 17	55.3	34.0	81	5
March 18	55.9	34.4	81	12
March 19	56.4	34.8	88	2
March 20	57.0	35.3	85	8
March 21	57.5	35.7	92	17
March 22	57.6	35.9	91	14
March 23	57.9	36.1	91	20
March 24	58.3	36.5	93	1
March 25	58.7	36.9	87	0
March 26	59.2	37.4	84	5
March 27	59.5	37.8	87	15
March 28	60.0	38.2	87	20
March 29	60.4	38.5	88	20
March 30	60.6	38.8	86	17
March 31	60.9	39.1	89	15

Weather Station Details

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