Number of Days of 90 °F in Mammoth Cave National Park 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 Mammoth Cave National Park, Kentucky, between 1934 and 2024.

Also see:

Which year had the most 90° days?

Based on NOAA records, the year 2019 holds the record for the most 90 °F days in Mammoth Cave National Park history. There were 99 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 Mammoth Cave National Park so far in 2024. As of April 29, the highest temperature this year is 86 °F.

The last time it reached at least 90° F was September 6, 2023.

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

Year	Rank	Days >= 90 °F
2024	89	0
2023	29	44
2022	13	68
2021	18	60
2020	20	59
2019	1	99
2018	2	95
2017	18	60
2016	4	86
2015	22	54
2014	17	61
2013	47	36
2012	10	70
2011	10	70
2010	5	85
2009	55	31
2008	83	8
2007	89	0
2006	86	4
2005	42	37
2004	28	47
2003	74	19
2002	8	74
2001	53	32
2000	42	37
1999	15	66
1998	21	55
1997	66	25
1996	55	31
1995	29	44
1994	78	13
1993	33	41
1992	84	7
1991	33	41
1990	65	26
1989	70	23
1988	22	54
1987	27	49
1986	37	39
1985	58	29
1984	53	32
1983	15	66
1982	78	13
1981	64	27
1980	13	68
1979	75	16
1978	42	37
1977	40	38
1976	81	10
1975	47	36
1974	86	4
1973	69	24
1972	70	23
1971	80	12
1970	58	29
1969	49	35
1968	40	38
1967	88	3
1966	66	25
1965	81	10
1964	49	35
1963	77	15
1962	58	29
1961	89	0
1960	75	16
1959	42	37
1958	72	22
1957	49	35
1956	33	41
1955	22	54
1954	7	81
1953	8	74
1952	3	87
1951	52	33
1950	85	5
1949	58	29
1948	57	30
1947	37	39
1946	58	29
1945	33	41
1944	12	69
1943	25	53
1942	37	39
1941	25	53
1940	42	37
1939	29	44
1938	63	28
1937	66	25
1936	6	82
1935	32	42
1934	72	22

Weather Station Details

Years	Station	Coordinates
1934–2024	Mammoth Cave	location