August 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 August

The last month of the summer, August, is also a hot month in Mammoth Cave National Park, Kentucky, with an average temperature ranging between max 86°F (30°C) and min 64.4°F (18°C).

Temperature

In Mammoth Cave National Park, the average high-temperature in August is practically the same as in July - a still hot 86°F (30°C). In August, in Mammoth Cave National Park, the average low-temperature is 64.4°F (18°C).

Rainfall

In Mammoth Cave National Park, in August, it is raining for 9 days, with typically 3.78" (96mm) of accumulated precipitation. Throughout the year, 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 August is 13h and 32min.
On the first day of the month, sunrise is at 5:49 am and sunset at 7:52 pm. On the last day of August, in Mammoth Cave National Park, sunrise is at 6:14 am and sunset at 7:14 pm CDT.

Sunshine

In Mammoth Cave National Park, the average sunshine in August is 9h.

UV index

In August, the average daily maximum UV index in Mammoth Cave National Park is 9. A UV Index of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 9 in August interpret into the following advice:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.
[Resources]

FAQ

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

The average high-temperature, in August, in Mammoth Cave National Park, Kentucky, is 86°F (30°C), while the average low-temperature is 64.4°F (18°C).

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

In August, in Mammoth Cave National Park, Kentucky, the rain falls for 9 days. Throughout August, 3.78" (96mm) of precipitation is accumulated.

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

The average day length in August in Mammoth Cave National Park, Kentucky, is 13h and 32min.

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

On the first day of August, sunrise is at 5:49 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:14 pm CDT.

How many hours of sunshine does Mammoth Cave National Park have in August?

In August, the average sunshine duration is 9h.

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

In Mammoth Cave National Park, the average daily maximum UV index in August is 9. A UV Index reading of 8 to 10 represents a very high health risk from unprotected exposure to UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in August
Mammoth Cave National Park, KY

Average temperature in August - Mammoth Cave National Park, KY
  • Average high temperature in August: 86°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 August: 64°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).

[Resources]

Average rainfall in August
Mammoth Cave National Park, KY

Average rainfall in August - Mammoth Cave National Park, KY
  • Average rainfall in August: 3.8"

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

[Resources]

Average rainfall days in August
Mammoth Cave National Park, KY

Average rainfall days in August - Mammoth Cave National Park, KY
  • Average rainfall days in August: 9 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).

[Resources]

Average daylight in August /
Average sunshine in August
Mammoth Cave National Park, KY

Average daylight in August / Average sunshine in August - Mammoth Cave National Park, KY
  • Average daylight in August: 13h and 32min

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 August: 9h

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

[Resources]

Average UV index in August
Mammoth Cave National Park, KY

Average UV index in August - Mammoth Cave National Park, KY
  • Average UV index in August: 9

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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location