Number of Days of 100 °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 100 degrees Fahrenheit in Mammoth Cave National Park, Kentucky, between 1934 and 2024.
Also see:
Which year had the most 100° days?
Based on NOAA records, the year 1936 holds the record for the most 100 °F days in Mammoth Cave National Park history. There were 24 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 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 100° F was July 7, 2022.
  • Years marked with a gold background have more than 5% incomplete data
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Year Rank Days >= 100 °F
2024 25 0
2023 25 0
2022 9 4
2021 25 0
2020 25 0
2019 25 0
2018 25 0
2017 25 0
2016 25 0
2015 25 0
2014 25 0
2013 25 0
2012 3 12
2011 12 3
2010 15 2
2009 25 0
2008 25 0
2007 25 0
2006 25 0
2005 25 0
2004 25 0
2003 25 0
2002 18 1
2001 25 0
2000 25 0
1999 7 5
1998 25 0
1997 18 1
1996 18 1
1995 18 1
1994 25 0
1993 25 0
1992 25 0
1991 25 0
1990 15 2
1989 25 0
1988 5 7
1987 25 0
1986 18 1
1985 25 0
1984 25 0
1983 9 4
1982 25 0
1981 25 0
1980 9 4
1979 25 0
1978 25 0
1977 25 0
1976 25 0
1975 25 0
1974 25 0
1973 25 0
1972 25 0
1971 25 0
1970 25 0
1969 25 0
1968 25 0
1967 25 0
1966 25 0
1965 25 0
1964 25 0
1963 25 0
1962 18 1
1961 25 0
1960 25 0
1959 25 0
1958 25 0
1957 25 0
1956 25 0
1955 25 0
1954 4 9
1953 7 5
1952 2 16
1951 25 0
1950 25 0
1949 25 0
1948 25 0
1947 25 0
1946 25 0
1945 25 0
1944 6 6
1943 12 3
1942 18 1
1941 25 0
1940 25 0
1939 15 2
1938 25 0
1937 25 0
1936 1 24
1935 25 0
1934 12 3
Weather Station Details
Years Station Coordinates
1934–2024 Mammoth Cave location