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Sioux Falls July 21 Weather Records

Daily averages and all-time records for weather in Sioux Falls, South Dakota for the date of July 21.
July 21 All-Time Records
1932–2022
Highest temperature 105 °F 1934
Lowest temperature 45 °F 1947
Lowest daily high 69 °F 1992
Highest daily low 78 °F 2012
Most precipitation 2.5 inches 2010
Most snow none -
July 21 Average Weather
1991–2020 1
Average high 84.3 °F
Average low 62.5 °F
Chance precipitation 30.1%
Chance snow 0%
Sioux Falls July 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 91 69 0.00 0.0
2021 88 68 0.00 0.0
2020 82 62 0.00 0.0
2019 84 60 0.00 0.0
2018 81 63 0.00 0.0
2017 86 72 0.06 0.0
2016 93 77 0.00 0.0
2015 80 50 0.00 0.0
2014 88 71 0.00 0.0
2013 85 65 0.00 0.0
2012 94 78 0.00 0.0
2011 82 62 0.00 0.0
2010 81 55 2.50 0.0
2009 80 59 0.00 0.0
2008 84 68 0.00 0.0
2007 85 65 0.00 0.0
2006 79 59 0.01 0.0
2005 87 71 0.00 0.0
2004 91 71 0.00 0.0
2003 77 59 0.00 0.0
2002 92 63 0.02 0.0
2001 90 73 0.02 0.0
2000 73 46 0.00 0.0
1999 85 70 0.00 0.0
1998 78 64 0.08 0.0
1997 81 67 0.11 0.0
1996 83 63 0.03 0.0
1995 95 63 0.09 0.0
1994 75 61 0.00 0.0
1993 79 60 0.00 0.0
1992 69 52 0.72 0.0
1991 90 69 0.03 0.0
1990 72 54 0.00 0.0
1989 86 58 0.00 0.0
1988 88 52 0.00 0.0
1987 90 68 0.05 0.0
1986 81 54 0.00 0.0
1985 80 54 0.03 0.0
1984 93 65 0.00 0.0
1983 97 78 0.00 0.0
1982 85 62 0.13 0.0
1981 90 62 0.00 0.0
1980 76 57 0.00 0.0
1979 94 71 0.11 0.0
1978 70 61 1.61 0.0
1977 83 61 0.00 0.0
1976 84 57 0.00 0.0
1975 93 61 0.00 0.0
1974 98 71 0.00 0.0
1973 71 62 0.24 0.0
1972 90 69 0.04 0.0
1971 94 62 0.00 0.0
1970 78 53 0.00 0.0
1969 83 57 0.00 0.0
1968 86 59 0.00 0.0
1967 96 72 0.00 0.0
1966 87 58 0.00 0.0
1965 86 70 0.00 0.0
1964 96 66 0.00 0.0
1963 95 67 0.00 0.0
1962 89 64 0.10 0.0
1961 79 60 0.00 0.0
1960 95 72 0.00 0.0
1959 92 68 0.00 0.0
1958 81 54 0.00 0.0
1957 74 64 0.37 0.0
1956 78 52 0.00 0.0
1955 94 72 0.15 0.0
1954 85 59 0.00 0.0
1953 82 58 0.00 0.0
1952 95 59 0.00 0.0
1951 77 64 0.03 0.0
1950 82 63 0.01 0.0
1949 83 57 0.01 0.0
1948 81 65 0.57 0.0
1947 73 45 0.00 0.0
1946 82 58 0.00 0.0
1945 87 68 0.00 0.0
1944 78 52 0.00 0.0
1943 83 67 0.00 0.0
1942 78 56 0.00 0.0
1941 92 70 0.00 0.0
1940 102 70 0.00 0.0
1939 88 68 0.00 0.0
1938 84 62 0.23 0.0
1937 93 72 0.00 0.0
1936 93 63 0.00 0.0
1935 92 65 0.42 0.0
1934 105 75 0.00 0.0
1933 82 58 0.00 0.0
1932 90 65 0.00 0.0
All-Time Highest Temperatures in Sioux Falls on July 21
Rank Temperature Year
1 105 °F 1934
2 102 °F 1940
3 98 °F 1974
4 97 °F 1983
5 96 °F 1967
5 96 °F 1964
7 95 °F 1995
7 95 °F 1960
7 95 °F 1952
7 95 °F 1963
All-Time Lowest Temperatures in Sioux Falls on July 21
Rank Temperature Year
1 45 °F 1947
2 46 °F 2000
3 50 °F 2015
4 52 °F 1956
4 52 °F 1992
4 52 °F 1988
4 52 °F 1944
8 53 °F 1970
9 54 °F 1985
9 54 °F 1958
9 54 °F 1986
9 54 °F 1990
Lowest High Temperatures in Sioux Falls on July 21
Rank Temperature Year
1 69 °F 1992
2 70 °F 1978
3 71 °F 1973
4 72 °F 1990
5 73 °F 1947
5 73 °F 2000
7 74 °F 1957
8 75 °F 1994
9 76 °F 1980
10 77 °F 2003
10 77 °F 1951
All-Time Most Precipitation in Sioux Falls on July 21
Rank Precipitation Year
1 2.5 inches 2010
2 1.6 inches 1978
3 0.7 inches 1992
4 0.6 inches 1948
5 0.4 inches 1935
6 0.4 inches 1957
7 0.2 inches 1973
8 0.2 inches 1938
9 0.1 inches 1955
10 0.1 inches 1982
Weather Station Details
Years Station Coordinates
1932–2022 Sioux Falls location