Number of Days of 90 °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 90 degrees Fahrenheit in Rapid City, South Dakota, between 1948 and 2024.

Also see:

Which year had the most 90° days?

Based on NOAA records, the year 1988 holds the record for the most 90 °F days in Rapid City history. There were 59 days with a high temperature of at least 90 degrees that year.

How many so far this year (2024)?

It has not reached 90 degrees Fahrenheit in Rapid City so far in 2024. As of April 20, the highest temperature this year is 86 °F.

The last time it reached at least 90° F was September 18, 2023.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 90 °F
2024	77	0
2023	50	26
2022	9	48
2021	14	45
2020	23	39
2019	76	7
2018	69	15
2017	19	42
2016	39	31
2015	55	23
2014	73	10
2013	36	32
2012	2	58
2011	27	36
2010	52	25
2009	66	17
2008	60	19
2007	3	56
2006	8	51
2005	9	48
2004	48	27
2003	6	55
2002	3	56
2001	19	42
2000	11	47
1999	58	21
1998	50	26
1997	66	17
1996	30	34
1995	46	29
1994	25	37
1993	75	9
1992	60	19
1991	30	34
1990	19	42
1989	7	54
1988	1	59
1987	36	32
1986	64	18
1985	43	30
1984	43	30
1983	15	44
1982	72	12
1981	55	23
1980	36	32
1979	69	15
1978	30	34
1977	60	19
1976	39	31
1975	48	27
1974	15	44
1973	57	22
1972	71	14
1971	47	28
1970	29	35
1969	39	31
1968	73	10
1967	53	24
1966	30	34
1965	64	18
1964	22	40
1963	15	44
1962	60	19
1961	11	47
1960	15	44
1959	3	56
1958	53	24
1957	35	33
1956	30	34
1955	11	47
1954	27	36
1953	43	30
1952	23	39
1951	59	20
1950	66	17
1949	25	37
1948	39	31

Weather Station Details

Years	Station	Coordinates
1948–2024	Rapid City Regional Airport	location