December weather forecastCumberland, KY
December
Weather in December
December, the first month of the winter in Cumberland, is also a frosty month, with an average temperature fluctuating between 32.4°F (0.2°C) and 45°F (7.2°C).Temperature
December brings a minor shift in the average high-temperature, adjusting from a fresh 52.7°F (11.5°C) in November to a chilly 45°F (7.2°C). In the month of December, Cumberland experiences an average low-temperature of 32.4°F (0.2°C).Humidity
In Cumberland, the average relative humidity in December is 81%.Rainfall
In December, the rain falls for 12.8 days. Throughout December, 3.86" (98mm) of precipitation is accumulated. In Cumberland, during the entire year, the rain falls for 197.2 days and collects up to 44.92" (1141mm) of precipitation.Snowfall
Months with snowfall in Cumberland, Kentucky, are January through May, October through December. In Cumberland, Kentucky, in December, during 8.5 snowfall days, 5.59" (142mm) of snow is typically accumulated. Throughout the year, in Cumberland, Kentucky, there are 43 snowfall days, and 23.98" (609mm) of snow is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:27 am and sunset at 5:15 pm. On the last day of December, sunrise is at 7:45 am and sunset at 5:25 pm EST.
Sunshine
In December, the average sunshine is 4.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cumberland. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cumberland, KY
- Average high temperature in December: 45°F
The warmest month (with the highest average high temperature) is July (83.1°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 (61.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Cumberland, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Cumberland, KY
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Cumberland, KY
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is November (77%).
Average rainfall in December
Cumberland, KY
- Average rainfall in December: 3.86"
The wettest month (with the highest rainfall) is July (4.65").
The driest months (with the least rainfall) are September and November (2.87").
Average rainfall days in December
Cumberland, KY
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is May (22.1 days).
The month with the least rainy days is November (11.9 days).
Average snowfall in December
Cumberland, KY
- Average snowfall in December: 5.59"
The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cumberland, KY
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cumberland, KY
- Average daylight in December: 9h 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 December: 4h and 24min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Cumberland, KY
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.3 days).
Average UV index in December
Cumberland, KY
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Cumberland, KY
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Cumberland, KY
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





