December weather forecastMackville, KY
December
Weather in December
The first month of the winter, December, is still a chilly month in Mackville, Kentucky, with an average temperature varying between 32.9°F (0.5°C) and 45.1°F (7.3°C).Temperature
The onset of December entails a subtle temperature shift, as the average high-temperature eases from a cool 54°F (12.2°C) in November to a frosty 45.1°F (7.3°C). December's nights in Mackville observe an average temperature of 32.9°F (0.5°C).Humidity
February and December, with an average relative humidity of 80%, are the most humid months in Mackville.Rainfall
In Mackville, in December, during 12.5 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, there are 166.5 rainfall days, and 33.66" (855mm) of precipitation is accumulated.Snowfall
Months with snowfall in Mackville are January through April, October through December. In Mackville, Kentucky, during December, snow falls for 5 days and regularly aggregates up to 1.1" (28mm) of snow. In Mackville, during the entire year, snow falls for 26.5 days and aggregates up to 7.83" (199mm) of snow.Daylight
The month with the shortest days in Mackville is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:37 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:31 pm EST.
Sunshine
The average sunshine in December is 4.5h.UV index
The months with the lowest UV index are January, February, November 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 unsafe exposure to UV radiation for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mackville, KY
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in December
Mackville, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Mackville, KY
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Mackville, 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 August and October (75%).
Average rainfall in December
Mackville, KY
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Mackville, KY
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in December
Mackville, KY
- Average snowfall in December: 1.1"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Mackville, KY
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is January (7.9 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
Mackville, 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 30min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Mackville, KY
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Mackville, 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, November and December (UV index 2).
Average cloud cover in December
Mackville, KY
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Mackville, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).





