December weather forecastCampbellsville, KY
December
Weather in December
December, the first month of the winter in Campbellsville, is also a frosty month, with an average temperature fluctuating between 33.4°F (0.8°C) and 45.9°F (7.7°C).Temperature
In the transition to December, Campbellsville observes a minor drop in the average high-temperature, shifting from a cool 54.5°F (12.5°C) in November to a chilly 45.9°F (7.7°C). Campbellsville, in the month of December, anticipates a consistent average low-temperature of 33.4°F (0.8°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 80%.Rainfall
In Campbellsville, in December, it is raining for 8 days, with typically 0.87" (22mm) of accumulated precipitation. In Campbellsville, during the entire year, the rain falls for 128.3 days and collects up to 12.8" (325mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Campbellsville, in December, during 2.5 snowfall days, 0.2" (5mm) of snow is typically accumulated. Throughout the year, in Campbellsville, there are 12.2 snowfall days, and 1.14" (29mm) 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 in Campbellsville, sunrise is at 7:37 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:33 pm EST.
Sunshine
In Campbellsville, the average sunshine in December is 4.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Campbellsville. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Campbellsville, KY
- Average high temperature in December: 45.9°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 (40.5°F).
- Average low temperature in December: 33.4°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 (27.3°F).
Average pressure in December
Campbellsville, 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
Campbellsville, KY
- Average wind speed in December: 7.7mph
The windiest months (with the highest average wind speed) are January and February (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Campbellsville, 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 October (75%).
Average rainfall in December
Campbellsville, KY
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is July (1.57").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in December
Campbellsville, KY
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Campbellsville, KY
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Campbellsville, KY
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is February (3.3 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
Campbellsville, 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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Campbellsville, KY
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Campbellsville, 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
Campbellsville, KY
- Average cloud cover in December: 53
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Campbellsville, KY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are May, July and September (5mi).
