Mammoth Cave National Park Longest Rain Streaks

What's the most days it has rained in a row in Mammoth Cave National Park history? This page shows the most consecutive days with precipitation (rain or snow) in Mammoth Cave National Park, Kentucky from 1934–2024.

Longest dry streaks

Longest Streak: 13 Days

Between Jun 8–20, 1940, there was at least 0.01 inches of rain or 0.1 inches of snow recorded each day in Mammoth Cave National Park.

# Days	When
13	Jun 8–20, 1940
11	Feb 18–28, 2003
10	Jan 11–20, 2017
9	Oct 17–25, 1983
9	Apr 6–14, 1951
9	Mar 26 – Apr 3, 1939
9	Sep 9–17, 1938
8	Mar 13–20, 2020
8	Jun 21–28, 2018
8	Oct 9–16, 2014
8	Jan 9–16, 2013
8	Mar 25 – Apr 1, 2009
8	Dec 31, 2004 – Jan 7, 2005
8	May 15–22, 2003
8	Apr 27 – May 4, 1998
8	Oct 8–15, 1970
8	Jan 17–24, 1969
8	May 10–17, 1955
8	Jan 15–22, 1952
8	Aug 27 – Sep 3, 1950

Weather Station Details

Years	Station	Coordinates
1934–2024	Mammoth Cave	location