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Rapid City May 18 Weather Records

Daily averages and all-time records for weather in Rapid City, South Dakota for the date of May 18.
May 18 All-Time Records
1948–2022
Highest temperature 92 °F 1992
Lowest temperature 33 °F 2019
Lowest daily high 44 °F 2019
Highest daily low 65 °F 1948
Most precipitation 0.8 inches 1962
Most snow none -
May 18 Average Weather
1991–2020 1
Average high 67.8 °F
Average low 42.8 °F
Chance precipitation 42.1%
Chance snow 1.0%
Rapid City May 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 70 47 0.00 n/a
2021 81 50 0.00 n/a
2020 76 43 0.00 n/a
2019 44 33 0.37 n/a
2018 71 45 0.21 0.0
2017 50 38 0.01 0.0
2016 70 34 0.00 0.0
2015 57 36 0.00 0.0
2014 74 44 0.00 0.0
2013 75 52 0.33 0.0
2012 79 53 0.55 0.0
2011 56 45 0.10 0.0
2010 72 48 0.00 0.0
2009 87 43 0.00 0.0
2008 85 45 0.00 0.0
2007 90 52 0.00 0.0
2006 90 49 0.00 0.0
2005 75 50 0.00 n/a
2004 65 45 0.00 n/a
2003 64 42 0.04 n/a
2002 62 39 0.00 n/a
2001 83 43 0.00 n/a
2000 58 34 0.00 0.0
1999 73 36 0.00 0.0
1998 74 48 0.00 n/a
1997 59 38 0.02 0.0
1996 82 45 0.00 n/a
1995 71 40 0.00 0.0
1994 75 59 0.00 0.0
1993 66 38 0.02 0.0
1992 92 49 0.00 0.0
1991 56 44 0.00 0.0
1990 63 42 0.06 0.0
1989 77 46 0.00 0.0
1988 74 50 0.05 0.0
1987 67 45 0.00 0.0
1986 69 40 0.00 0.0
1985 73 46 0.06 0.0
1984 75 43 0.00 0.0
1983 64 34 0.00 0.0
1982 72 41 0.00 0.0
1981 59 43 0.00 0.0
1980 71 43 0.00 0.0
1979 59 45 0.20 0.0
1978 62 50 0.56 0.0
1977 68 46 0.72 0.0
1976 85 43 0.00 0.0
1975 86 49 0.00 0.0
1974 62 44 0.02 0.0
1973 84 50 0.00 0.0
1972 86 58 0.00 0.0
1971 47 34 0.00 0.0
1970 75 51 0.00 0.0
1969 72 36 0.00 0.0
1968 51 36 0.02 0.0
1967 66 44 0.00 0.0
1966 58 36 0.00 0.0
1965 66 39 0.00 0.0
1964 78 57 0.00 0.0
1963 66 42 0.01 0.0
1962 63 51 0.79 0.0
1961 52 40 0.01 0.0
1960 65 40 0.18 0.0
1959 73 50 0.00 0.0
1958 72 44 0.00 0.0
1957 55 42 0.00 0.0
1956 83 54 0.00 0.0
1955 69 45 0.00 0.0
1954 66 46 0.00 0.0
1953 67 40 0.00 0.0
1952 63 40 0.14 0.0
1951 70 52 0.00 0.0
1950 72 45 0.03 0.0
1949 50 41 0.00 0.0
1948 90 65 0.00 0.0
All-Time Highest Temperatures in Rapid City on May 18
Rank Temperature Year
1 92 °F 1992
2 90 °F 2007
2 90 °F 2006
2 90 °F 1948
5 87 °F 2009
6 86 °F 1975
6 86 °F 1972
8 85 °F 1976
8 85 °F 2008
10 84 °F 1973
All-Time Lowest Temperatures in Rapid City on May 18
Rank Temperature Year
1 33 °F 2019
2 34 °F 2000
2 34 °F 1983
2 34 °F 2016
2 34 °F 1971
6 36 °F 1966
6 36 °F 1999
6 36 °F 1969
6 36 °F 1968
6 36 °F 2015
Lowest High Temperatures in Rapid City on May 18
Rank Temperature Year
1 44 °F 2019
2 47 °F 1971
3 50 °F 1949
3 50 °F 2017
5 51 °F 1968
6 52 °F 1961
7 55 °F 1957
8 56 °F 1991
8 56 °F 2011
10 57 °F 2015
All-Time Most Precipitation in Rapid City on May 18
Rank Precipitation Year
1 0.8 inches 1962
2 0.7 inches 1977
3 0.6 inches 1978
4 0.6 inches 2012
5 0.4 inches 2019
6 0.3 inches 2013
7 0.2 inches 2018
8 0.2 inches 1979
9 0.2 inches 1960
10 0.1 inches 1952
Weather Station Details
Years Station Coordinates
1948–2022 Rapid City Regional Airport location