December weather forecastBluestone, KY
December
Weather in December
The first month of the winter, December, is still a chilly month in Bluestone, Kentucky, with an average temperature fluctuating between 32.2°F (0.1°C) and 43.7°F (6.5°C).Temperature
Onset of December comes with a temperature decline, the average high falling from a fresh 52.9°F (11.6°C) in November to a chilly 43.7°F (6.5°C). The nighttime temperature in Bluestone, during December, averages of 32.2°F (0.1°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In Bluestone, in December, during 12.5 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 166.6 rainfall days, and 30.94" (786mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Bluestone, during December, snow falls for 6.9 days and regularly aggregates up to 2.05" (52mm) of snow. In Bluestone, during the entire year, snow falls for 33.5 days and aggregates up to 11.14" (283mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:32 am and sunset at 5:14 pm. On the last day of December, sunrise is at 7:50 am and sunset at 5:24 pm EST.
Sunshine
The average sunshine in December is 4.1h.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 estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bluestone, KY
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Bluestone, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Bluestone, KY
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Bluestone, KY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Bluestone, KY
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Bluestone, KY
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in December
Bluestone, KY
- Average snowfall in December: 2.05"
The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Bluestone, KY
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bluestone, KY
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 6min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Bluestone, KY
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in December
Bluestone, 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
Bluestone, KY
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Bluestone, KY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).
