Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The beginning of December brings a slight decrease in the average high-temperature, transitioning from a refreshing 55.6°F (13.1°C) in November to a frosty 47.1°F (8.4°C). In Russellville, December nights cool down to an average of 34.2°F (1.2°C).Humidity
March, May and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In December, the rain falls for 9.4 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. In Russellville, during the entire year, the rain falls for 138.2 days and collects up to 16.3" (414mm) of precipitation.Snowfall
Months with snowfall are January through April and December. December is the first month it typically snows in Russellville. Throughout December, in the average 2 snowfall days, it receives 0.24" (6mm) of snow. In Russellville, during the entire year, snow falls for 9.7 days and aggregates up to 0.94" (24mm) 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 the month, sunrise is at 6:42 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:00 am and sunset at 4:41 pm CST.
Sunshine
The average sunshine in December 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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What are the most humid months?
What is the average humidity in December in Russellville?
How much does it rain in December?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Russellville have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Russellville, KY
- Average high temperature in December: 47.1°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in December: 34.2°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Russellville, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Russellville, KY
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Russellville, KY
- Average humidity in December: 79%
The months with the highest relative humidity are March, May and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Russellville, KY
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is July (2.05").
The driest month (with the least rainfall) is September (0.83").
Average rainfall days in December
Russellville, KY
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in December
Russellville, KY
- Average snowfall in December: 0.24"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in December
Russellville, KY
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Russellville, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in December
Russellville, KY
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in December
Russellville, 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
Russellville, KY
- Average cloud cover in December: 51
The months with the most cloud cover are January and February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Russellville, KY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Russellville, Kentucky, USA
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