December weather forecastThornton Gap, KY
December
Weather in December
The first month of the winter, December, is still a chilly month in Thornton Gap, Kentucky, with temperature in the range of an average low of 32.4°F (0.2°C) and an average high of 45.1°F (7.3°C).Temperature
December ushers in a minute temperature change, with average high-temperatures reducing from November's fresh 53.2°F (11.8°C) to a frosty 45.1°F (7.3°C). During December, the temperature is averaged to a low of 32.4°F (0.2°C) at night.Humidity
In December, the average relative humidity in Thornton Gap is 80%.Rainfall
In Thornton Gap, in December, during 13 rainfall days, 3.62" (92mm) of precipitation is typically accumulated. In Thornton Gap, during the entire year, the rain falls for 195.8 days and collects up to 40.35" (1025mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Thornton Gap, in December, during 7.8 snowfall days, 4.09" (104mm) of snow is typically accumulated. In Thornton Gap, during the entire year, snow falls for 38.6 days and aggregates up to 19.29" (490mm) of snow.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 7:26 am and sunset at 5:14 pm. On the last day of December, in Thornton Gap, sunrise is at 7:44 am and sunset at 5:24 pm EST.
Sunshine
In December, the average sunshine in Thornton Gap is 4.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Beware! Reflection from snow can magnify 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
Thornton Gap, KY
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in December
Thornton Gap, 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
Thornton Gap, KY
- Average wind speed in December: 6mph
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
Thornton Gap, KY
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Thornton Gap, KY
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.48").
Average rainfall days in December
Thornton Gap, KY
- Average rainfall days in December: 13 days
The months with the highest number of rainy days are May and July (20.8 days).
The month with the least rainy days is February (12.6 days).
Average snowfall in December
Thornton Gap, KY
- Average snowfall in December: 4.09"
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Thornton Gap, KY
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Thornton Gap, 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 42min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Thornton Gap, KY
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is May (8 days).
Average UV index in December
Thornton Gap, KY
- Average UV index in December: 2
The months with the highest UV index are May, June and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Thornton Gap, KY
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Thornton Gap, KY
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





