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St. Louis April Weather

Averages and records for weather in St. Louis, Missouri in the month of April.

Typical St. Louis April Weather 1991–2020
Average daily high	68.0 °F
Average daily low	47.5 °F
Average monthly precipitation	4.7 inches
Average monthly snow	0.2 inches
Daily chance of precipitation	38.2%
Daily chance of snow	0.78%

St. Louis April Weather Records 1893–2024
Highest temperature	93 °F	April 18, 2002
Lowest temperature	20 °F	April 3, 1936
Highest daily low	73 °F	April 25, 1989
Lowest daily high	33 °F	April 2, 1936
Hottest average high temperature	75.1 °F	2010
Coldest average high temperature	55.1 °F	1907
Most daily precipitation	4.8 inches	April 11, 1979
Most monthly precipitation	10.8 inches	1893
Most daily snow	5.5 inches	April 20, 1904
Most monthly snow	6.5 inches	1971

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
April 1	62.8	43.0	91	25
April 2	63.2	43.3	89	23
April 3	63.7	43.6	90	20
April 4	64.2	43.9	87	23
April 5	64.6	44.4	91	22
April 6	65.0	44.7	87	23
April 7	65.3	44.9	88	23
April 8	65.6	45.2	90	22
April 9	66.0	45.5	91	25
April 10	66.4	45.8	93	26
April 11	66.7	46.2	90	24
April 12	67.0	46.5	89	24
April 13	67.3	46.7	89	25
April 14	67.5	47.0	92	28
April 15	67.8	47.3	89	27
April 16	68.2	47.7	90	28
April 17	68.3	48.0	89	29
April 18	68.5	48.3	93	29
April 19	68.8	48.7	88	26
April 20	69.0	49.1	89	28
April 21	69.5	49.4	89	30
April 22	69.7	49.8	91	32
April 23	70.1	50.1	91	28
April 24	70.5	50.6	90	25
April 25	70.7	51.0	92	33
April 26	71.1	51.4	93	30
April 27	71.5	51.8	92	34
April 28	71.8	52.1	92	37
April 29	72.0	52.4	91	34
April 30	72.1	52.6	91	35

Weather Station Details

Years	Station	Coordinates
1939–2024	St. Louis International Airport	location
1893–1938	St. Louis	location