Mammoth Cave National Park Longest Dry Streaks

What's longest streak without rain in Mammoth Cave National Park history? This page shows the most consecutive days it has gone without precipitation in Mammoth Cave National Park, Kentucky from 1934–2024.

Longest rain streaks

Longest Streak: 36 Days

Between Feb 3 – Mar 9, 1968, there were no recorded days with at least 0.01 inches of rain or 0.1 inches of snow in Mammoth Cave National Park.

# Days	When
36	Feb 3 – Mar 9, 1968
32	Sep 30 – Oct 31, 1963
31	Aug 24 – Sep 23, 1955
31	Sep 26 – Oct 26, 1953
30	Sep 20 – Oct 19, 1938
28	Jan 15 – Feb 11, 1992
28	Dec 21, 1985 – Jan 17, 1986
26	Sep 7 – Oct 2, 1956
25	Sep 5–29, 1939
24	Aug 6–29, 1975
24	Oct 5–28, 1964
23	Oct 10 – Nov 1, 1999
22	Aug 16 – Sep 6, 1973
22	Sep 24 – Oct 15, 1957
22	Aug 18 – Sep 8, 1957
22	Oct 29 – Nov 19, 1953
22	Aug 19 – Sep 9, 1946
22	Sep 22 – Oct 13, 1943
22	Jul 12 – Aug 2, 1942
22	Sep 7–28, 1941

Weather Station Details

Years	Station	Coordinates
1934–2024	Mammoth Cave	location