May weather forecastMammoth Cave National Park, KY
May
Weather in May
The arrival of May indicates the nearing summer season: temperatures rise, reaching up to 77°F (25°C), making it one of the warmer months in Mammoth Cave National Park. Aligned with this rise in temperature, the daylight duration also increases, promoting longer outdoor activities. Intermittent rain showers continue, ensuring the park maintains its lush landscapes. High UV index ratings require the use of sun protection for visitors exploring the park during peak hours. May weather invites ample opportunities to experience the outdoors and the park's natural splendors.Temperature
Entering May, Mammoth Cave National Park sees a temperature rise, with the average high-temperature advancing from April's pleasant 68°F (20°C) to a warm 77°F (25°C). Mammoth Cave National Park experiences a drastic reduction from day temperatures to an average low of 53.6°F (12°C) in May.Rainfall
The month with the most rainfall is May, when the rain falls for 12 days and typically aggregates up to 5" (127mm) of precipitation.Daylight
In Mammoth Cave National Park, the average length of the day in May is 14h and 11min.On the first day of the month, sunrise is at 5:48 am and sunset at 7:34 pm. On the last day of May, sunrise is at 5:25 am and sunset at 7:58 pm CDT.
Sunshine
In May, the average sunshine is 9h.UV index
In Mammoth Cave National Park, the average daily maximum UV index in May is 8. 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: A maximum daily UV index of 8 during May morphs into the following directions:
Precautions are essential; the risk of damage to unprotected skin and eyes is too high. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Mammoth Cave National Park, KY
- Average high temperature in May: 77°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 May: 54°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 May
Mammoth Cave National Park, KY
- Average rainfall in May: 5"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is October (3").
Average rainfall days in May
Mammoth Cave National Park, KY
- Average rainfall days in May: 12 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 May /
Average sunshine in May
Mammoth Cave National Park, KY
- Average daylight in May: 14h and 12min
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 May: 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).
Average UV index in May
Mammoth Cave National Park, KY
- Average UV index in May: 8
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).
