June weather forecastMammoth Cave National Park, KY

June
Weather in June
June marks the start of summer in Mammoth Cave National Park, showcasing soaring temperature and lengthy daylight hours. It stands as one of the sunniest months, inviting visitors to seize the abundance of brightness in their outdoor adventures. Despite lower instances of rainfall compared to the previous months, the park retains its vibrant appearance. Coupled with a maximum UV index, robust sun protection becomes non-negotiable during outdoor activities. The warm, sun-drenched aura of June fosters a lively energy, characteristic of summertime.Temperature
As Mammoth Cave National Park welcomes June, the average high-temperature sees a modest rise, transitioning from a moderately hot 77°F (25°C) in May to a still warm 84.2°F (29°C). Despite high daytime temperatures, the average temperature lowers to a comfortable 60.8°F (16°C) during June nights.Rainfall
In Mammoth Cave National Park, in June, during 10 rainfall days, 4.21" (107mm) of precipitation is typically accumulated. Throughout the year, there are 126 rainfall days, and 50.63" (1286mm) of precipitation is accumulated.Daylight
With an average of 14h and 42min of daylight, June has the longest days of the year.On the first day of June, sunrise is at 5:25 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:08 pm CDT.
Sunshine
June has the most sunshine of the year, with an average of 10h of sunshine.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 10. A UV Index value of 8 to 10 symbolizes a very high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 10 in June converts into the following recommendations:
It is essential to prioritize protection. Unprotected skin and eyes can suffer rapid harm. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Using sunscreen with 30 SPF or more is key to avoiding sunburn and minimizing the Sun's radiation impact on health.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Mammoth Cave National Park, KY
- Average high temperature in June: 84°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 June: 61°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).
Average rainfall in June
Mammoth Cave National Park, KY
- Average rainfall in June: 4.2"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is October (3").
Average rainfall days in June
Mammoth Cave National Park, KY
- Average rainfall days in June: 10 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).
Average daylight in June /
Average sunshine in June
Mammoth Cave National Park, KY
- Average daylight in June: 14h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in June: 10h
The month with the most sunshine is June (Average sunshine: 10h).
The months with the least sunshine are January and December (Average sunshine: 4h).
Average UV index in June
Mammoth Cave National Park, KY
- Average UV index in June: 10
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).





