December weather forecastSizerock, KY
December
Weather in December
The first month of the winter, December, is also a frosty month in Sizerock, Kentucky, with temperature in the range of an average high of 45.9°F (7.7°C) and an average low of 33.3°F (0.7°C).Temperature
The onset of December entails a subtle temperature shift, as the average high-temperature eases from a fresh 54.3°F (12.4°C) in November to a chilly 45.9°F (7.7°C). Sizerock, during December, witnesses an average low-temperature of 33.3°F (0.7°C).Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Sizerock, in December, during 12.6 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. In Sizerock, during the entire year, the rain falls for 172.6 days and collects up to 31.42" (798mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Sizerock, in December, snow falls for 5.6 days, with typically accumulated 2.28" (58mm) of snow. In Sizerock, during the entire year, snow falls for 29 days and aggregates up to 9.37" (238mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:29 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:26 pm EST.
Sunshine
In December, the average sunshine is 4.7h.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 low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Boost your sun resistance with garments that are densely woven yet spacious. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sizerock, KY
- Average high temperature in December: 45.9°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in December
Sizerock, 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 (29.98"Hg).
Average wind speed in December
Sizerock, KY
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Sizerock, 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 April, June, August, September, October and November (76%).
Average rainfall in December
Sizerock, KY
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is February (3.31").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Sizerock, KY
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (11 days).
Average snowfall in December
Sizerock, KY
- Average snowfall in December: 2.28"
The month with the highest snowfall is February (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sizerock, KY
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is January (8.8 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
Sizerock, 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: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Sizerock, KY
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Sizerock, 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
Sizerock, KY
- Average cloud cover in December: 53
The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Sizerock, 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).
