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Rapid City August 15 Weather Records

Daily averages and all-time records for weather in Rapid City, South Dakota for the date of August 15.
August 15 All-Time Records
1948–2022
Highest temperature 106 °F 1988
Lowest temperature 48 °F 1974
Lowest daily high 65 °F 1980
Highest daily low 70 °F 2015
Most precipitation 0.7 inches 1978
Most snow none -
August 15 Average Weather
1991–2020 1
Average high 86.1 °F
Average low 56.6 °F
Chance precipitation 26.0%
Chance snow 0%
Rapid City August 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 86 61 0.00 n/a
2021 98 57 0.00 n/a
2020 91 49 0.00 n/a
2019 75 55 0.06 n/a
2018 77 55 0.00 0.0
2017 75 60 0.02 0.0
2016 85 54 0.00 0.0
2015 100 70 0.00 0.0
2014 84 63 0.07 0.0
2013 75 57 0.00 0.0
2012 73 56 0.00 0.0
2011 97 58 0.00 0.0
2010 78 50 0.00 0.0
2009 76 51 0.17 0.0
2008 70 49 0.00 0.0
2007 92 64 0.01 0.0
2006 95 58 0.00 0.0
2005 82 52 0.00 n/a
2004 89 51 0.00 n/a
2003 99 64 0.00 n/a
2002 80 55 0.00 n/a
2001 83 57 0.03 0.0
2000 83 59 0.00 0.0
1999 88 55 0.00 0.0
1998 90 56 0.00 n/a
1997 74 56 0.00 0.0
1996 82 57 0.18 n/a
1995 98 57 0.00 0.0
1994 98 56 0.00 0.0
1993 87 60 0.09 0.0
1992 92 51 0.00 0.0
1991 84 60 0.03 0.0
1990 91 55 0.00 0.0
1989 86 54 0.00 0.0
1988 106 64 0.05 0.0
1987 74 55 0.00 0.0
1986 98 58 0.00 0.0
1985 77 50 0.00 0.0
1984 89 62 0.00 0.0
1983 95 70 0.00 0.0
1982 84 60 0.00 0.0
1981 84 58 0.00 0.0
1980 65 59 0.39 0.0
1979 74 53 0.00 0.0
1978 79 54 0.69 0.0
1977 71 51 0.01 0.0
1976 77 57 0.13 0.0
1975 80 51 0.19 0.0
1974 82 48 0.00 0.0
1973 94 60 0.00 0.0
1972 90 61 0.02 0.0
1971 93 61 0.00 0.0
1970 82 56 0.00 0.0
1969 93 56 0.00 0.0
1968 80 48 0.00 0.0
1967 92 59 0.00 0.0
1966 88 50 0.00 0.0
1965 77 55 0.09 0.0
1964 82 54 0.02 0.0
1963 95 58 0.00 0.0
1962 83 59 0.00 0.0
1961 95 63 0.00 0.0
1960 101 61 0.02 0.0
1959 90 50 0.00 0.0
1958 84 64 0.00 0.0
1957 75 58 0.01 0.0
1956 89 62 0.32 0.0
1955 86 57 0.01 0.0
1954 88 60 0.00 0.0
1953 79 57 0.20 0.0
1952 86 58 0.00 0.0
1951 72 49 0.00 0.0
1950 91 59 0.00 0.0
1949 88 57 0.38 0.0
1948 88 57 0.00 0.0
All-Time Highest Temperatures in Rapid City on August 15
Rank Temperature Year
1 106 °F 1988
2 101 °F 1960
3 100 °F 2015
4 99 °F 2003
5 98 °F 1995
5 98 °F 1986
5 98 °F 2021
5 98 °F 1994
9 97 °F 2011
10 95 °F 1963
10 95 °F 1983
10 95 °F 2006
10 95 °F 1961
All-Time Lowest Temperatures in Rapid City on August 15
Rank Temperature Year
1 48 °F 1974
1 48 °F 1968
3 49 °F 2020
3 49 °F 2008
3 49 °F 1951
6 50 °F 1959
6 50 °F 1985
6 50 °F 1966
6 50 °F 2010
10 51 °F 1977
10 51 °F 2004
10 51 °F 1975
10 51 °F 1992
10 51 °F 2009
Lowest High Temperatures in Rapid City on August 15
Rank Temperature Year
1 65 °F 1980
2 70 °F 2008
3 71 °F 1977
4 72 °F 1951
5 73 °F 2012
6 74 °F 1979
6 74 °F 1997
6 74 °F 1987
9 75 °F 1957
9 75 °F 2017
9 75 °F 2019
9 75 °F 2013
All-Time Most Precipitation in Rapid City on August 15
Rank Precipitation Year
1 0.7 inches 1978
2 0.4 inches 1980
3 0.4 inches 1949
4 0.3 inches 1956
5 0.2 inches 1953
6 0.2 inches 1975
7 0.2 inches 1996
8 0.2 inches 2009
9 0.1 inches 1976
10 0.1 inches 1965
10 0.1 inches 1993
Weather Station Details
Years Station Coordinates
1948–2022 Rapid City Regional Airport location