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Rapid City August 12 Weather Records

Daily averages and all-time records for weather in Rapid City, South Dakota for the date of August 12.
August 12 All-Time Records
1948–2022
Highest temperature 105 °F 1965
Lowest temperature 45 °F 1992
Lowest daily high 66 °F 1966
Highest daily low 71 °F 1965
Most precipitation 0.9 inches 1966
Most snow none -
August 12 Average Weather
1991–2020 1
Average high 86.4 °F
Average low 56.9 °F
Chance precipitation 27.5%
Chance snow 0%
Rapid City August 12 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 95 65 0.00 n/a
2021 84 57 0.00 n/a
2020 101 59 0.00 n/a
2019 78 56 0.00 n/a
2018 94 59 0.00 0.0
2017 82 48 0.06 0.0
2016 83 56 0.06 0.0
2015 100 61 0.00 0.0
2014 85 57 0.00 0.0
2013 78 56 0.00 0.0
2012 84 56 0.00 0.0
2011 83 54 0.01 0.0
2010 92 64 0.00 0.0
2009 93 57 0.00 0.0
2008 84 53 0.01 0.0
2007 86 60 0.00 0.0
2006 84 63 0.02 0.0
2005 76 53 0.22 n/a
2004 71 46 0.00 n/a
2003 98 64 0.00 n/a
2002 73 50 0.01 n/a
2001 85 59 0.04 0.0
2000 89 61 0.00 0.0
1999 73 52 0.02 0.0
1998 85 55 0.00 n/a
1997 77 54 0.00 0.0
1996 101 60 0.00 n/a
1995 89 65 0.12 0.0
1994 93 63 0.00 0.0
1993 72 56 0.02 0.0
1992 80 45 0.00 0.0
1991 81 60 0.00 0.0
1990 79 54 0.00 0.0
1989 90 62 0.00 0.0
1988 95 63 0.00 0.0
1987 73 56 0.00 0.0
1986 93 59 0.50 0.0
1985 77 54 0.02 0.0
1984 95 61 0.03 0.0
1983 93 69 0.04 0.0
1982 81 60 0.00 0.0
1981 90 57 0.00 0.0
1980 87 61 0.00 0.0
1979 80 59 0.06 0.0
1978 102 61 0.00 0.0
1977 88 51 0.00 0.0
1976 85 55 0.01 0.0
1975 80 53 0.00 0.0
1974 80 51 0.02 0.0
1973 80 57 0.18 0.0
1972 97 60 0.00 0.0
1971 95 63 0.00 0.0
1970 99 60 0.00 0.0
1969 96 62 0.21 0.0
1968 84 58 0.00 0.0
1967 93 60 0.00 0.0
1966 66 48 0.90 0.0
1965 105 71 0.00 0.0
1964 80 45 0.00 0.0
1963 83 57 0.12 0.0
1962 86 55 0.00 0.0
1961 85 58 0.00 0.0
1960 93 63 0.00 0.0
1959 71 56 0.00 0.0
1958 91 64 0.00 0.0
1957 95 67 0.00 0.0
1956 82 59 0.07 0.0
1955 94 61 0.00 0.0
1954 87 56 0.01 0.0
1953 94 52 0.00 0.0
1952 80 54 0.05 0.0
1951 68 54 0.07 0.0
1950 68 58 0.82 0.0
1949 96 59 0.02 0.0
1948 81 56 0.01 0.0
All-Time Highest Temperatures in Rapid City on August 12
Rank Temperature Year
1 105 °F 1965
2 102 °F 1978
3 101 °F 1996
3 101 °F 2020
5 100 °F 2015
6 99 °F 1970
7 98 °F 2003
8 97 °F 1972
9 96 °F 1969
9 96 °F 1949
All-Time Lowest Temperatures in Rapid City on August 12
Rank Temperature Year
1 45 °F 1964
1 45 °F 1992
3 46 °F 2004
4 48 °F 1966
4 48 °F 2017
6 50 °F 2002
7 51 °F 1974
7 51 °F 1977
9 52 °F 1953
9 52 °F 1999
Lowest High Temperatures in Rapid City on August 12
Rank Temperature Year
1 66 °F 1966
2 68 °F 1951
2 68 °F 1950
4 71 °F 2004
4 71 °F 1959
6 72 °F 1993
7 73 °F 1999
7 73 °F 1987
7 73 °F 2002
10 76 °F 2005
All-Time Most Precipitation in Rapid City on August 12
Rank Precipitation Year
1 0.9 inches 1966
2 0.8 inches 1950
3 0.5 inches 1986
4 0.2 inches 2005
5 0.2 inches 1969
6 0.2 inches 1973
7 0.1 inches 1963
7 0.1 inches 1995
9 0.1 inches 1956
9 0.1 inches 1951
Weather Station Details
Years Station Coordinates
1948–2022 Rapid City Regional Airport location