Highest Daily Low Temperatures in Mammoth Cave National Park History

This is a list of the hottest daily low temperatures ever recorded in Mammoth Cave National Park, Kentucky history from 1934–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Mammoth Cave National Park

The highest low temperature for a calendar day in Mammoth Cave National Park, Kentucky history was 81 °F which happened on Tuesday, August 16, 1988.

Rank	Temperature	Date
1	81 °F	August 16, 1988
2	80 °F	August 23, 1993
3	79 °F	August 10, 1992
3	79 °F	July 3, 1992
3	79 °F	July 4, 1990
3	79 °F	July 25, 1981
3	79 °F	July 25, 1965
3	79 °F	July 24, 1965
3	79 °F	August 1, 1963
10	78 °F	July 5, 1993
10	78 °F	May 18, 1991
10	78 °F	July 5, 1981
10	78 °F	August 7, 1979
10	78 °F	July 26, 1944
15	77 °F	June 16, 2022
15	77 °F	July 30, 2021
15	77 °F	July 14, 2015
15	77 °F	May 17, 1991
15	77 °F	August 7, 1977
15	77 °F	August 16, 1952
15	77 °F	June 26, 1949
15	77 °F	June 25, 1949