Mammoth Cave National Park Consecutive 90 Degree Days

This page shows the record for the most days in a row in Mammoth Cave National Park, Kentucky where the high temperature was at least 90 °F, from 1934–2024.

Also see:

Years with most 90° days
Earliest / latest 90° days

Longest Streak: 28 Days

Between Jul 9 – Aug 5, 2011, the daily high temperature in Mammoth Cave National Park was always at least 90 °F – a span of 28 days.

# Days	When
28	Jul 9 – Aug 5, 2011
28	Jun 11 – Jul 8, 1952
26	Jul 11 – Aug 5, 1952
24	Jun 28 – Jul 21, 2018
24	Jul 14 – Aug 6, 2010
* 22	Jun 19 – Jul 11, 1988
22	Jul 1–22, 1980
19	Aug 14 – Sep 1, 1983
19	Aug 11–29, 1936
18	Jul 11–28, 2016
18	Jun 11–28, 2010
18	Jul 16 – Aug 2, 1999
17	Jul 5–21, 2019
17	Jul 14–30, 1986
16	Sep 9–24, 2019
16	Jul 20 – Aug 4, 1940
16	Jul 4–19, 1936
15	Jun 27 – Jul 11, 1990
14	Jul 18–31, 2020
14	Aug 26 – Sep 8, 2018

Note: streaks marked with a (*) contain days with missing data