April 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 April

April is an agreeable spring month in Mammoth Cave National Park, Kentucky, with an average temperature ranging between min 44.6°F (7°C) and max 68°F (20°C).

Temperature

In Mammoth Cave National Park, Kentucky, the average high-temperature in April increases from a moderate 57.2°F (14°C) in March to an agreeable 68°F (20°C). In April, the average low-temperature is 44.6°F (7°C).

Rainfall

In Mammoth Cave National Park, during April, the rain falls for 11 days and regularly aggregates up to 4.21" (107mm) of precipitation. Throughout the year, in Mammoth Cave National Park, there are 126 rainfall days, and 50.63" (1286mm) of precipitation is accumulated.

Daylight

In Mammoth Cave National Park, the average length of the day in April is 13h and 11min.
On the first day of April in Mammoth Cave National Park, sunrise is at 6:29 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 7:32 pm CDT.

Sunshine

In Mammoth Cave National Park, the average sunshine in April is 8h.

UV index

The average daily maximum UV index in April in Mammoth Cave National Park is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 7 in April transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in April in Mammoth Cave National Park?

In April, the average high-temperature is 68°F (20°C), and the average low-temperature is 44.6°F (7°C).

How much does it rain in Mammoth Cave National Park in April?

In Mammoth Cave National Park, Kentucky, in April, during 11 rainfall days, 4.21" (107mm) of precipitation is typically accumulated.

What is the average length of the day in April in Mammoth Cave National Park?

In Mammoth Cave National Park, the average day length in April is 13h and 11min.

What time are sunrise and sunset in April in Mammoth Cave National Park?

In April, on the first day of the month, sunrise is at 6:29 am and sunset at 7:06 pm. On the last day of the month, in Mammoth Cave National Park, sunrise is at 5:50 am and sunset at 7:32 pm CDT.

How long on average sun shines in April in Mammoth Cave National Park?

The average sunshine duration in April in Mammoth Cave National Park is 8h.

How high is the UV index in April in Mammoth Cave National Park?

In April, the average daily maximum UV index in Mammoth Cave National Park is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average rainfall days
Average sunshine
Average UV index

Average temperature in April
Mammoth Cave National Park, KY

Average temperature in April - Mammoth Cave National Park, KY
  • Average high temperature in April: 68°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in April: 45°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23°F).

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Average rainfall in April
Mammoth Cave National Park, KY

Average rainfall in April - Mammoth Cave National Park, KY
  • Average rainfall in April: 4.2"

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 in April
Mammoth Cave National Park, KY

Average rainfall days in April - Mammoth Cave National Park, KY
  • Average rainfall days in April: 11 days

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 in April /
Average sunshine in April
Mammoth Cave National Park, KY

Average daylight in April / Average sunshine in April - Mammoth Cave National Park, KY
  • Average daylight in April: 13h and 11min

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).

  • Average sunshine in April: 8h

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 in April
Mammoth Cave National Park, KY

Average UV index in April - Mammoth Cave National Park, KY
  • Average UV index in April: 7

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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