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Sioux Falls April 21 Weather Records

Daily averages and all-time records for weather in Sioux Falls, South Dakota for the date of April 21.
April 21 All-Time Records
1932–2022
Highest temperature 93 °F 1980
Lowest temperature 20 °F 1966
Lowest daily high 31 °F 1992
Highest daily low 61 °F 1980
Most precipitation 1.1 inches 1952
Most snow 3.6 inches 1988
April 21 Average Weather
1991–2020 1
Average high 59.9 °F
Average low 36.7 °F
Chance precipitation 36.2%
Chance snow 6.1%
Sioux Falls April 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 65 31 0.00 0.0
2021 50 20 0.00 0.1
2020 73 27 0.00 0.0
2019 80 51 0.00 0.0
2018 51 37 0.00 0.0
2017 62 33 0.00 0.0
2016 69 44 0.06 0.0
2015 53 29 0.00 0.0
2014 69 36 0.00 0.0
2013 53 35 0.04 0.0
2012 68 44 0.04 0.0
2011 44 28 0.07 0.0
2010 71 38 0.00 0.0
2009 65 34 0.00 0.0
2008 58 37 0.00 0.0
2007 83 60 0.05 0.0
2006 64 42 0.01 0.0
2005 60 50 0.85 0.0
2004 62 38 0.10 0.0
2003 64 37 0.00 0.0
2002 37 32 0.40 3.5
2001 55 37 0.29 0.0
2000 67 27 0.00 0.0
1999 51 40 0.20 0.0
1998 63 33 0.00 0.0
1997 58 41 0.00 0.0
1996 57 32 0.16 0.0
1995 57 34 0.00 0.0
1994 63 41 0.00 0.0
1993 57 28 0.00 0.0
1992 31 26 0.32 2.6
1991 61 29 0.00 0.0
1990 82 40 0.00 0.0
1989 83 40 0.00 0.0
1988 42 31 0.36 3.6
1987 58 38 0.00 0.0
1986 48 30 0.00 0.0
1985 83 52 0.62 0.0
1984 55 37 0.27 0.0
1983 63 44 0.00 0.0
1982 50 28 0.19 0.0
1981 66 45 0.05 0.0
1980 93 61 0.00 0.0
1979 68 31 0.00 0.0
1978 57 24 0.00 0.0
1977 63 38 0.00 0.0
1976 64 33 0.03 0.0
1975 55 33 0.08 0.0
1974 57 36 0.02 0.0
1973 58 39 0.00 0.0
1972 45 33 0.34 0.0
1971 65 45 0.11 0.0
1970 52 30 0.00 0.0
1969 66 38 0.00 0.0
1968 68 32 0.00 0.0
1967 52 29 0.00 0.0
1966 58 20 0.00 0.0
1965 60 46 0.00 0.0
1964 55 40 0.18 0.0
1963 56 29 0.00 0.0
1962 81 42 0.00 0.0
1961 58 34 0.00 0.0
1960 82 41 0.00 0.0
1959 59 22 0.00 0.0
1958 50 31 0.00 0.0
1957 72 36 0.00 0.0
1956 65 33 0.00 0.0
1955 69 36 0.00 0.0
1954 56 35 0.01 0.0
1953 82 29 0.00 0.0
1952 60 49 1.13 0.0
1951 42 29 0.20 0.0
1950 67 32 0.00 0.0
1949 65 42 0.12 0.0
1948 70 39 0.01 0.0
1947 60 40 0.00 0.0
1946 80 60 0.00 0.0
1945 59 28 0.00 0.0
1944 45 38 0.00 0.0
1943 67 42 0.00 0.0
1942 73 36 0.00 0.0
1941 58 28 0.00 0.0
1940 56 43 0.73 0.0
1939 65 32 0.00 0.0
1938 59 36 0.37 0.0
1937 76 54 0.00 0.0
1936 49 22 0.00 0.0
1935 71 41 0.00 0.0
1934 73 30 0.00 0.0
1933 66 44 0.00 0.0
1932 59 44 0.46 0.0
All-Time Highest Temperatures in Sioux Falls on April 21
Rank Temperature Year
1 93 °F 1980
2 83 °F 1985
2 83 °F 2007
2 83 °F 1989
5 82 °F 1960
5 82 °F 1990
5 82 °F 1953
8 81 °F 1962
9 80 °F 1946
9 80 °F 2019
All-Time Lowest Temperatures in Sioux Falls on April 21
Rank Temperature Year
1 20 °F 1966
2 20 °F 2021
3 22 °F 1959
3 22 °F 1936
5 24 °F 1978
6 26 °F 1992
7 27 °F 2000
8 27 °F 2020
9 28 °F 1945
9 28 °F 1941
9 28 °F 1993
9 28 °F 1982
9 28 °F 2011
Lowest High Temperatures in Sioux Falls on April 21
Rank Temperature Year
1 31 °F 1992
2 37 °F 2002
3 42 °F 1951
3 42 °F 1988
5 44 °F 2011
6 45 °F 1944
6 45 °F 1972
8 48 °F 1986
9 49 °F 1936
10 50 °F 1982
10 50 °F 2021
10 50 °F 1958
All-Time Most Precipitation in Sioux Falls on April 21
Rank Precipitation Year
1 1.1 inches 1952
2 0.9 inches 2005
3 0.7 inches 1940
4 0.6 inches 1985
5 0.5 inches 1932
6 0.4 inches 2002
7 0.4 inches 1938
8 0.4 inches 1988
9 0.3 inches 1972
10 0.3 inches 1992
All-Time Most Snow in Sioux Falls on April 21
Rank Precipitation Year
1 3.6 inches 1988
2 3.5 inches 2002
3 2.6 inches 1992
4 0.1 inches 2021
Weather Station Details
Years Station Coordinates
1932–2022 Sioux Falls location