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Rapid City December Monthly Average Temperatures

A time series of monthly average December temperatures in Rapid City, South Dakota from 1948–2021.
Hottest December in Rapid City History
The hottest December in Rapid City, South Dakota history occurred in 1957, when the average temperature of 34.6 °F was 8.7 °F higher than normal.
Coldest December in Rapid City History
The coldest December in Rapid City, South Dakota history occurred in 1983, when the average temperature of 7.8 °F was 18.1 °F below normal.
Rapid City Average December Temperature by Year
Year Temperature (°F) to Normal (°F)
2021 26.2 0.3
2020 32.1 6.2
2019 28.5 2.6
2018 26.8 0.9
2017 23.4 -2.5
2016 16.4 -9.5
2015 26.0 0.1
2014 28.1 2.2
2013 18.6 -7.3
2012 24.6 -1.3
2011 27.7 1.8
2010 24.1 -1.8
2009 15.8 -10.1
2008 17.5 -8.4
2007 22.0 -3.9
2006 29.0 3.1
2005 25.1 -0.7
2004 31.5 5.6
2003 30.2 4.3
2002 31.4 5.5
2001 28.6 2.7
2000 16.4 -9.5
1999 33.0 7.1
1998 26.5 0.6
1997 30.0 4.1
1996 17.6 -8.3
1995 25.1 -0.8
1994 30.0 4.1
1993 31.1 5.2
1992 18.7 -7.2
1991 32.4 6.5
1990 17.4 -8.5
1989 19.1 -6.8
1988 28.1 2.2
1987 28.6 2.7
1986 30.3 4.4
1985 20.7 -5.2
1984 21.1 -4.8
1983 7.8 -18.1
1982 28.3 2.4
1981 25.5 -0.4
1980 29.9 4.0
1979 32.8 6.9
1978 16.7 -9.2
1977 21.6 -4.3
1976 26.5 0.6
1975 29.1 3.2
1974 28.6 2.7
1973 25.0 -0.9
1972 18.3 -7.6
1971 23.0 -2.9
1970 21.5 -4.3
1969 27.9 2.0
1968 18.2 -7.7
1967 22.2 -3.7
1966 26.4 0.5
1965 33.0 7.1
1964 18.6 -7.3
1963 22.4 -3.5
1962 29.8 3.9
1961 22.7 -3.2
1960 24.7 -1.2
1959 33.9 8.0
1958 26.7 0.9
1957 34.6 8.7
1956 29.5 3.6
1955 21.5 -4.4
1954 32.1 6.2
1953 30.1 4.2
1952 29.7 3.8
1951 17.1 -8.8
1950 28.2 2.3
1949 21.9 -4.0
1948 22.8 -3.1