Mammoth Cave National Park Average Temperature by Month

This page shows the average temperature in each month of the year in Mammoth Cave National Park, Kentucky. It is based on NOAA data for the years 1991–2020.

Average precipitation by month

What's the Hottest Month in Mammoth Cave National Park?

In Mammoth Cave National Park, Kentucky, the warmest month is July, with an average daily high temperature of 90.1 °F and an average low of 67.2 °F.

What's the Coldest Month in Mammoth Cave National Park?

In Mammoth Cave National Park, Kentucky, the coolest month is January, with an average daily high temperature of 47.0 °F and an average low of 27.9 °F.

Month	Avg. High	Avg. Low
January	47.0 °F	27.9 °F
February	52.4 °F	31.6 °F
March	61.1 °F	37.9 °F
April	72.9 °F	47.0 °F
May	80.1 °F	55.9 °F
June	87.1 °F	63.2 °F
July	90.1 °F	67.2 °F
August	88.9 °F	65.3 °F
September	83.8 °F	58.9 °F
October	73.0 °F	48.0 °F
November	59.9 °F	38.9 °F
December	49.6 °F	31.6 °F
Year	70.9 °F	48.1 °F

Weather Station Details

Years	Station	Coordinates
1934–2024	Mammoth Cave	location