December weather forecastKeltonburg, TN
December
Weather in December
The first month of the winter, December, is still a chilly month in Keltonburg, Tennessee, with an average temperature fluctuating between 35.1°F (1.7°C) and 48.9°F (9.4°C).Temperature
The transition into December involves a small decrease in the average high-temperature, dipping slightly from a refreshing 56.7°F (13.7°C) in November to a frosty 48.9°F (9.4°C). In December, Keltonburg encounters an average low-temperature of 35.1°F (1.7°C) during the night.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Keltonburg, during December, the rain falls for 13.3 days and regularly aggregates up to 2.99" (76mm) of precipitation. In Keltonburg, during the entire year, the rain falls for 179.5 days and collects up to 39.06" (992mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Keltonburg, in December, snow falls for 2.8 days, with typically accumulated 0.79" (20mm) of snow. In Keltonburg, during the entire year, snow falls for 17 days and aggregates up to 3.74" (95mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:35 am and sunset at 4:29 pm. On the last day of December, in Keltonburg, sunrise is at 6:53 am and sunset at 4:39 pm CST.
Sunshine
In December, the average sunshine in Keltonburg is 4.7h.UV index
The months with the lowest UV index in Keltonburg are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Keltonburg, TN
- Average high temperature in December: 48.9°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 (44.2°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Keltonburg, TN
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Keltonburg, TN
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Keltonburg, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
Keltonburg, TN
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is February (4.25").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Keltonburg, TN
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in December
Keltonburg, TN
- Average snowfall in December: 0.79"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Keltonburg, TN
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (5.4 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
Keltonburg, TN
- Average daylight in December: 9h and 48min
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 48min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Keltonburg, TN
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Keltonburg, TN
- 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
Keltonburg, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Keltonburg, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, April, June, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July, August and September (5mi).
