Climate and monthly weather forecast
Mammoth Cave National Park, KY

The attractive frozen Niagara in the historical Mammoth Cave National Park, Kentucky
The attractive frozen Niagara in the historical Mammoth Cave National Park, Kentucky

Weather in January

January, like December, in Mammoth Cave National Park, Kentucky, is another cold winter month, with an average temperature fluctuating between 41°F (5°C) and 23°F (-5°C). With an average high-temperature of 41°F (5°C) and an average low-temperature of 23°F (-5°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is a frosty month in Mammoth Cave National Park, Kentucky, with an average temperature ranging between max 46.4°F (8°C) and min 24.8°F (-4°C). In February, the average high-temperature slightly increases from a cold 41°F (5°C) in January to a frosty 46.4°F (8°C). Weather in February »

Weather in March

March, the first month of the spring in Mammoth Cave National Park, is a mild month, with an average temperature varying between 35.6°F (2°C) and 57.2°F (14°C). In Mammoth Cave National Park, Kentucky, the average high-temperature in March rises from a chilly 46.4°F (8°C) in February to a moderate 57.2°F (14°C). Weather in March »

Weather in April

April is a pleasant spring month in Mammoth Cave National Park, Kentucky, with an average temperature ranging between max 68°F (20°C) and min 44.6°F (7°C). In April, the average high-temperature rises from a moderate 57.2°F (14°C) in March to an agreeable 68°F (20°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Mammoth Cave National Park, Kentucky, with temperature in the range of an average low of 53.6°F (12°C) and an average high of 77°F (25°C). In May, the average high-temperature increases from an agreeable 68°F (20°C) in April to a moderately hot 77°F (25°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Mammoth Cave National Park, Kentucky, with temperature in the range of an average low of 60.8°F (16°C) and an average high of 84.2°F (29°C). In June, the average high-temperature marginally rises from 77°F (25°C) in May to a still moderately hot 84.2°F (29°C). Weather in June »

Weather in July

July in Mammoth Cave National Park, Kentucky, is a tropical summer month, with an average temperature varying between 87.8°F (31°C) and 66.2°F (19°C). With an average high-temperature of 87.8°F (31°C) and an average low-temperature of 66.2°F (19°C), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Mammoth Cave National Park, Kentucky, with an average temperature varying between 64.4°F (18°C) and 86°F (30°C). In August, the average high-temperature is essentially the same as in July - a still hot 86°F (30°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Mammoth Cave National Park, Kentucky, with an average temperature fluctuating between 57.2°F (14°C) and 80.6°F (27°C). In September, the average high-temperature marginally drops from a tropical 86°F (30°C) in August to a warm 80.6°F (27°C). Weather in September »

Weather in October

October, the same as September, in Mammoth Cave National Park, Kentucky, is another pleasant autumn month, with an average temperature fluctuating between 44.6°F (7°C) and 69.8°F (21°C). In October, the average high-temperature decreases from a moderately hot 80.6°F (27°C) in September to an agreeable 69.8°F (21°C). Weather in October »

Weather in November

The last month of the autumn, November, is another mild month in Mammoth Cave National Park, Kentucky, with an average temperature fluctuating between 57.2°F (14°C) and 35.6°F (2°C). In Mammoth Cave National Park, the average high-temperature in November decreases from an agreeable 69.8°F (21°C) in October to a moderate 57.2°F (14°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Mammoth Cave National Park, Kentucky, with an average temperature fluctuating between 46.4°F (8°C) and 28.4°F (-2°C). In Mammoth Cave National Park, the average high-temperature in December drops from a moderate 57.2°F (14°C) in November to a chilly 46.4°F (8°C). Weather in December »
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FAQ

What is the coldest month in Mammoth Cave National Park?

January is the coldest month in Mammoth Cave National Park, with an average high-temperature of 41°F (5°C) and an average low-temperature of 23°F (-5°C).

How many days does it rain in Mammoth Cave National Park?

Throughout the year, in Mammoth Cave National Park, Kentucky, there are 126 rainfall days, and 50.63" (1286mm) of precipitation is accumulated.

What is the month with the least sunshine in Mammoth Cave National Park?

The months with the least sunshine are January and December, with an average of 4h of sunshine.

What are the months with the lowest UV index in Mammoth Cave National Park?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Mammoth Cave National Park.

When is Daylight Saving Time (DST) in Mammoth Cave National Park?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

What is the rainiest month in Mammoth Cave National Park?

The month with the most rainfall in Mammoth Cave National Park, Kentucky, is May, when the rain falls for 12 days and typically aggregates up to 5" (127mm) of precipitation.

When are the longest days in Mammoth Cave National Park?

June has the longest days of the year in Mammoth Cave National Park, with an average of 14h and 41min of daylight.

What month has the most sunshine in Mammoth Cave National Park?

June has the most sunshine of the year in Mammoth Cave National Park, Kentucky, with an average of 10h of sunshine.

What are the months with the highest UV index in Mammoth Cave National Park?

The months with the highest UV index are June and July, with an average maximum UV index of 10.

What is the warmest month in Mammoth Cave National Park?

With an average high-temperature of 87.8°F (31°C) and an average low-temperature of 66.2°F (19°C), July is the warmest month.

What is the driest month in Mammoth Cave National Park?

The month with the least rainfall in Mammoth Cave National Park is October, when the rain falls for 8 days and typically collects 2.95" (75mm) of precipitation.

What is the month with the shortest days in Mammoth Cave National Park?

December has the shortest days of the year, with an average of 9h and 40min of daylight.

Average rainfall
Mammoth Cave National Park, KY

Average rainfall - Mammoth Cave National Park, KY

The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is October (3").

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Average rainfall days
Mammoth Cave National Park, KY

Average rainfall days - Mammoth Cave National Park, KY

The month with the highest number of rainy days is March (13 days).
The months with the least rainy days are September and October (8 days).

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Average daylight / Average sunshine
Mammoth Cave National Park, KY

Average daylight / Average sunshine - Mammoth Cave National Park, KY

The month with the longest days is June (Average daylight: 14h and 41min).
The month with the shortest days is December (Average daylight: 9h and 40min).

The month with the most sunshine is June (Average sunshine: 10h).
The months with the least sunshine are January and December (Average sunshine: 4h).

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Average UV index
Mammoth Cave National Park, KY

Average UV index - Mammoth Cave National Park, KY

The months with the highest UV index are June and July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).

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