December weather forecastRadcliff, KY
December
Weather in December
December welcomes the heart of winter in Radcliff, with chilly temperatures and a marked increase in snowfall, coming in at 1.14" (29mm). The frosty contrast from November can be felt as the short daylight hours and the long, chilly nights emphasize the season. However, the festive spirit of year-end festivities wards off any winter blues. Colder temperatures beckon for warm indoor celebrations, making December a month of family gatherings and cozy reunions. In December, Radcliff’s weather harmonizes with the holiday spirit, ending the year on a jubilant note.Temperature
December in Radcliff shows a mild decline in the average high-temperature, falling from November's cool 53.6°F (12°C) to a frosty 44.6°F (7°C). December is noted for a mean low-temperature of 32.4°F (0.2°C).Humidity
The months with the highest humidity in Radcliff are February and December, with an average relative humidity of 80%.Rainfall
In Radcliff, in December, during 11.1 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Radcliff, during the entire year, the rain falls for 163.8 days and collects up to 36.5" (927mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Radcliff, during December, snow falls for 4.7 days and regularly aggregates up to 1.14" (29mm) of snow. Throughout the year, there are 22.2 snowfall days, and 7.6" (193mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:41 am and sunset at 5:25 pm. On the last day of December, in Radcliff, sunrise is at 7:59 am and sunset at 5:35 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 4.4h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Radcliff, KY
- Average high temperature in December: 44.6°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Radcliff, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Radcliff, KY
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Radcliff, KY
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in December
Radcliff, KY
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in December
Radcliff, KY
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (18.5 days).
The months with the least rainy days are January, February and November (10.6 days).
Average snowfall in December
Radcliff, KY
- Average snowfall in December: 1.14"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Radcliff, KY
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Radcliff, KY
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in December
Radcliff, KY
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in December
Radcliff, KY
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Radcliff, KY
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Radcliff, KY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July and December (5mi).





