December weather forecastBlue Diamond, KY
December
Weather in December
The first month of the winter, December, is also a frosty month in Blue Diamond, Kentucky, with temperature in the range of an average low of 33.1°F (0.6°C) and an average high of 45.1°F (7.3°C).Temperature
With the onset of December, Blue Diamond's climate undergoes a slight change as the average high-temperature moves from a fresh 54°F (12.2°C) in November to a chilly 45.1°F (7.3°C). Nighttime temperatures in December average to a wintry 33.1°F (0.6°C) in Blue Diamond.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 80%.Rainfall
In Blue Diamond, in December, during 11.7 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 168.8 rainfall days, and 24.84" (631mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Blue Diamond, during December, snow falls for 6.1 days and regularly aggregates up to 2.95" (75mm) of snow. Throughout the year, there are 33.3 snowfall days, and 11.34" (288mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:28 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:25 pm EST.
Sunshine
In December, the average sunshine is 4.7h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Blue Diamond, KY
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
Blue Diamond, 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
Blue Diamond, 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 (4mph).
Average humidity in December
Blue Diamond, KY
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is November (75%).
Average rainfall in December
Blue Diamond, KY
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is February (2.76").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in December
Blue Diamond, KY
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Blue Diamond, KY
- Average snowfall in December: 2.95"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Blue Diamond, KY
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (10.3 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
Blue Diamond, 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 42min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Blue Diamond, KY
- Average sunshine days in December: 14 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in December
Blue Diamond, 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 and December (UV index 2).
Average cloud cover in December
Blue Diamond, KY
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Blue Diamond, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).
