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Rapid City December 18 Weather Records

Daily averages and all-time records for weather in Rapid City, South Dakota for the date of December 18.
December 18 All-Time Records
1948–2022
Highest temperature 70 °F 1979
Lowest temperature -20 °F 1983
Lowest daily high -1 °F 1983
Highest daily low 37 °F 1954
Most precipitation 0.3 inches 1973
Most snow 4.5 inches 1973
December 18 Average Weather
1991–2020 1
Average high 37.1 °F
Average low 13.4 °F
Chance precipitation 17.3%
Chance snow 17.5%
Rapid City December 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2021 20 -4 0.00 n/a
2020 43 19 0.01 n/a
2019 52 18 0.00 n/a
2018 56 28 0.00 0.0
2017 60 21 0.00 0.0
2016 15 -20 0.00 0.0
2015 19 1 0.00 0.0
2014 43 20 0.00 0.0
2013 60 24 0.00 0.0
2012 44 16 0.00 0.0
2011 61 25 0.00 0.0
2010 18 14 0.00 0.0
2009 39 18 0.00 0.0
2008 16 4 0.02 0.2
2007 42 19 0.00 0.0
2006 40 10 0.00 0.0
2005 16 -9 0.00 0.0
2004 48 22 0.00 n/a
2003 44 22 0.00 n/a
2002 45 25 0.00 n/a
2001 43 12 0.00 n/a
2000 29 4 0.00 0.0
1999 48 28 0.00 0.0
1998 39 6 0.00 0.0
1997 48 29 0.00 n/a
1996 5 -9 0.00 n/a
1995 24 11 0.00 0.1
1994 47 20 0.00 0.0
1993 29 9 0.00 0.0
1992 18 5 0.00 0.0
1991 44 15 0.00 0.0
1990 43 -2 0.00 0.0
1989 5 -11 0.00 0.0
1988 68 30 0.00 0.0
1987 46 15 0.00 0.0
1986 52 12 0.00 0.0
1985 37 4 0.28 3.0
1984 18 -5 0.00 0.0
1983 -1 -20 0.01 0.1
1982 42 27 0.00 0.0
1981 21 -7 0.00 0.0
1980 31 5 0.02 0.1
1979 70 34 0.00 0.0
1978 37 21 0.00 0.0
1977 29 21 0.06 0.8
1976 51 29 0.00 0.0
1975 44 -3 0.00 0.0
1974 38 22 0.00 0.0
1973 19 4 0.30 4.5
1972 54 26 0.00 0.0
1971 49 25 0.00 0.0
1970 22 -3 0.25 3.8
1969 44 18 0.00 0.0
1968 30 19 0.00 0.0
1967 29 12 0.00 0.0
1966 56 30 0.00 0.0
1965 42 13 0.00 0.0
1964 27 -13 0.00 0.0
1963 22 -10 0.00 0.0
1962 55 34 0.00 0.0
1961 25 -3 0.08 1.0
1960 33 14 0.00 0.0
1959 41 25 0.00 0.0
1958 61 22 0.00 0.0
1957 55 31 0.00 0.0
1956 50 22 0.00 0.0
1955 6 -8 0.01 0.1
1954 49 37 0.00 0.0
1953 57 23 0.00 0.0
1952 34 15 0.00 0.0
1951 13 -5 0.00 0.0
1950 48 21 0.00 0.0
1949 32 6 0.00 0.0
1948 29 4 0.00 0.0
All-Time Highest Temperatures in Rapid City on December 18
Rank Temperature Year
1 70 °F 1979
2 68 °F 1988
3 61 °F 2011
3 61 °F 1958
5 60 °F 2013
5 60 °F 2017
7 57 °F 1953
8 56 °F 2018
8 56 °F 1966
10 55 °F 1957
10 55 °F 1962
All-Time Lowest Temperatures in Rapid City on December 18
Rank Temperature Year
1 -20 °F 1983
2 -20 °F 2016
3 -13 °F 1964
4 -11 °F 1989
5 -10 °F 1963
6 -9 °F 1996
6 -9 °F 2005
8 -8 °F 1955
9 -7 °F 1981
10 -5 °F 1951
10 -5 °F 1984
Lowest High Temperatures in Rapid City on December 18
Rank Temperature Year
1 -1 °F 1983
2 5 °F 1989
2 5 °F 1996
4 6 °F 1955
5 13 °F 1951
6 15 °F 2016
7 16 °F 2005
7 16 °F 2008
9 18 °F 2010
9 18 °F 1992
9 18 °F 1984
All-Time Most Precipitation in Rapid City on December 18
Rank Precipitation Year
1 0.3 inches 1973
2 0.3 inches 1985
3 0.3 inches 1970
4 0.1 inches 1961
5 0.1 inches 1977
6 0.0 inches 2008
6 0.0 inches 1980
8 0.0 inches 1955
8 0.0 inches 1983
8 0.0 inches 2020
All-Time Most Snow in Rapid City on December 18
Rank Precipitation Year
1 4.5 inches 1973
2 3.8 inches 1970
3 3.0 inches 1985
4 1.0 inches 1961
5 0.8 inches 1977
6 0.2 inches 2008
7 0.1 inches 1983
7 0.1 inches 1955
7 0.1 inches 1980
7 0.1 inches 1995
Weather Station Details
Years Station Coordinates
1948–2022 Rapid City Regional Airport location