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Interior April Weather

Averages and records for weather in Interior, South Dakota in the month of April.

Typical Interior April Weather 1991–2020
Average daily high	62.2 °F
Average daily low	35.7 °F
Average monthly precipitation	2.2 inches
Average monthly snow	5.9 inches
Daily chance of precipitation	28.9%
Daily chance of snow	5.4%

Interior April Weather Records 1949–2024
Highest temperature	94 °F	April 21, 1989
Lowest temperature	3 °F	April 3, 2020
Highest daily low	65 °F	April 30, 1992
Lowest daily high	23 °F	April 10, 1997
Hottest average high temperature	71.3 °F	1981
Coldest average high temperature	53.0 °F	1995
Most daily precipitation	3.1 inches	April 19, 2000
Most monthly precipitation	4.6 inches	2000
Most daily snow	16.0 inches	April 11, 1995
Most monthly snow	32.5 inches	2013

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	58.3	31.6	90	8
April 2	58.5	31.7	88	3
April 3	58.8	31.9	80	3
April 4	59.1	32.3	83	12
April 5	59.3	32.6	85	11
April 6	59.4	32.9	83	12
April 7	59.7	33.1	86	13
April 8	60.0	33.5	82	8
April 9	60.6	33.9	89	12
April 10	60.9	34.2	91	11
April 11	61.2	34.5	90	11
April 12	61.5	34.7	90	10
April 13	61.8	34.9	89	16
April 14	62.0	35.2	86	16
April 15	62.1	35.5	89	14
April 16	62.3	35.9	88	14
April 17	62.4	36.2	90	13
April 18	62.7	36.4	92	19
April 19	63.0	36.8	90	21
April 20	63.3	37.0	92	12
April 21	63.6	37.4	94	16
April 22	64.0	37.8	92	22
April 23	64.3	38.2	92	16
April 24	64.6	38.6	90	13
April 25	64.8	38.9	90	25
April 26	65.2	39.3	85	26
April 27	65.5	39.6	88	22
April 28	65.7	39.8	91	19
April 29	66.0	40.2	89	19
April 30	66.4	40.5	93	23

Weather Station Details

Years	Station	Coordinates
1949–2024	Interior 3 Ne	location