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Sioux Falls July 20 Weather Records

Daily averages and all-time records for weather in Sioux Falls, South Dakota for the date of July 20.
July 20 All-Time Records
1932–2022
Highest temperature 101 °F 2002
Lowest temperature 45 °F 1970
Lowest daily high 70 °F 2009
Highest daily low 79 °F 1932
Most precipitation 1.5 inches 1948
Most snow none -
July 20 Average Weather
1991–2020 1
Average high 84.4 °F
Average low 62.6 °F
Chance precipitation 29.4%
Chance snow 0%
Sioux Falls July 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 91 67 0.00 0.0
2021 86 60 0.00 0.0
2020 84 65 0.00 0.0
2019 80 60 0.81 0.0
2018 82 62 0.00 0.0
2017 88 70 0.00 0.0
2016 92 75 0.03 0.0
2015 81 59 0.12 0.0
2014 84 67 0.00 0.0
2013 82 61 0.28 0.0
2012 100 73 0.00 0.0
2011 93 68 0.00 0.0
2010 84 60 0.00 0.0
2009 70 62 0.08 0.0
2008 88 62 0.01 0.0
2007 82 54 0.00 0.0
2006 87 62 0.00 0.0
2005 89 66 0.47 0.0
2004 89 66 0.00 0.0
2003 86 66 0.00 0.0
2002 101 76 0.00 0.0
2001 87 73 0.13 0.0
2000 71 51 0.00 0.0
1999 83 69 0.66 0.0
1998 89 72 0.10 0.0
1997 85 66 0.78 0.0
1996 74 64 0.00 0.0
1995 80 58 0.00 0.0
1994 85 60 0.00 0.0
1993 78 63 0.00 0.0
1992 71 53 0.00 0.0
1991 93 71 0.00 0.0
1990 79 57 0.00 0.0
1989 87 56 0.00 0.0
1988 81 54 0.00 0.0
1987 95 67 0.26 0.0
1986 78 57 0.00 0.0
1985 77 59 0.00 0.0
1984 87 62 0.00 0.0
1983 99 72 0.00 0.0
1982 92 66 0.69 0.0
1981 92 62 0.07 0.0
1980 77 61 0.04 0.0
1979 90 65 0.31 0.0
1978 78 62 0.08 0.0
1977 84 67 0.08 0.0
1976 85 65 0.66 0.0
1975 92 58 0.00 0.0
1974 101 74 0.00 0.0
1973 79 64 0.02 0.0
1972 76 62 0.64 0.0
1971 82 55 0.00 0.0
1970 75 45 0.00 0.0
1969 81 53 0.00 0.0
1968 89 63 0.99 0.0
1967 90 66 0.00 0.0
1966 86 59 0.00 0.0
1965 76 67 0.00 0.0
1964 91 72 0.00 0.0
1963 90 61 0.00 0.0
1962 83 65 0.00 0.0
1961 87 63 0.28 0.0
1960 94 70 0.00 0.0
1959 92 63 0.00 0.0
1958 80 60 0.05 0.0
1957 89 70 0.22 0.0
1956 75 54 0.00 0.0
1955 91 68 0.00 0.0
1954 78 62 0.68 0.0
1953 87 70 0.04 0.0
1952 88 64 0.00 0.0
1951 95 66 0.00 0.0
1950 75 47 0.00 0.0
1949 88 64 0.04 0.0
1948 88 59 1.50 0.0
1947 75 51 0.00 0.0
1946 86 60 0.02 0.0
1945 90 69 0.00 0.0
1944 72 49 0.00 0.0
1943 80 64 0.21 0.0
1942 77 60 0.00 0.0
1941 87 63 0.00 0.0
1940 97 70 0.00 0.0
1939 85 60 0.00 0.0
1938 86 59 0.08 0.0
1937 88 62 0.00 0.0
1936 89 66 0.04 0.0
1935 98 71 0.00 0.0
1934 100 71 0.00 0.0
1933 89 66 0.06 0.0
1932 100 79 0.00 0.0
All-Time Highest Temperatures in Sioux Falls on July 20
Rank Temperature Year
1 101 °F 2002
1 101 °F 1974
3 100 °F 2012
3 100 °F 1934
3 100 °F 1932
6 99 °F 1983
7 98 °F 1935
8 97 °F 1940
9 95 °F 1987
9 95 °F 1951
All-Time Lowest Temperatures in Sioux Falls on July 20
Rank Temperature Year
1 45 °F 1970
2 47 °F 1950
3 49 °F 1944
4 51 °F 1947
4 51 °F 2000
6 53 °F 1969
6 53 °F 1992
8 54 °F 1988
8 54 °F 1956
8 54 °F 2007
Lowest High Temperatures in Sioux Falls on July 20
Rank Temperature Year
1 70 °F 2009
2 71 °F 2000
2 71 °F 1992
4 72 °F 1944
5 74 °F 1996
6 75 °F 1956
6 75 °F 1950
6 75 °F 1970
6 75 °F 1947
10 76 °F 1972
10 76 °F 1965
All-Time Most Precipitation in Sioux Falls on July 20
Rank Precipitation Year
1 1.5 inches 1948
2 1.0 inches 1968
3 0.8 inches 2019
4 0.8 inches 1997
5 0.7 inches 1982
6 0.7 inches 1954
7 0.7 inches 1976
7 0.7 inches 1999
9 0.6 inches 1972
10 0.5 inches 2005
Weather Station Details
Years Station Coordinates
1932–2022 Sioux Falls location