Number of Days of 100 °F in Rapid City by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 100 degrees Fahrenheit in Rapid City, South Dakota, between 1948 and 2024.
Also see:
Which year had the most 100° days?
Based on NOAA records, the year 1988 holds the record for the most 100 °F days in Rapid City history. There were 16 days with a high temperature of at least 100 degrees that year.
How many so far this year (2024)?
It has not reached 100 degrees Fahrenheit in Rapid City so far in 2024. As of March 26, the highest temperature this year is 69 °F.
The last time it reached at least 100° F was September 2, 2023.
  • Years marked with a gold background have more than 5% incomplete data
  • Click column headers to sort
Year Rank Days >= 100 °F
2024 65 0
2023 37 3
2022 15 7
2021 27 4
2020 27 4
2019 65 0
2018 55 1
2017 20 5
2016 27 4
2015 45 2
2014 65 0
2013 45 2
2012 3 14
2011 20 5
2010 45 2
2009 65 0
2008 65 0
2007 3 14
2006 2 15
2005 7 11
2004 37 3
2003 9 10
2002 5 13
2001 12 8
2000 17 6
1999 45 2
1998 37 3
1997 65 0
1996 45 2
1995 27 4
1994 20 5
1993 65 0
1992 55 1
1991 27 4
1990 20 5
1989 15 7
1988 1 16
1987 7 11
1986 55 1
1985 27 4
1984 65 0
1983 27 4
1982 65 0
1981 37 3
1980 37 3
1979 45 2
1978 27 4
1977 45 2
1976 37 3
1975 27 4
1974 17 6
1973 20 5
1972 65 0
1971 45 2
1970 45 2
1969 55 1
1968 65 0
1967 55 1
1966 20 5
1965 37 3
1964 12 8
1963 55 1
1962 65 0
1961 11 9
1960 6 12
1959 17 6
1958 55 1
1957 37 3
1956 55 1
1955 27 4
1954 12 8
1953 45 2
1952 55 1
1951 55 1
1950 65 0
1949 9 10
1948 20 5
Weather Station Details
Years Station Coordinates
1948–2024 Rapid City Regional Airport location