December weather forecastLoudon, TN
December
Weather in December
The year ends on a snowy note for Loudon with December ushering in the full force of winter. While the snowfall measures approximately 0.39" (10mm) over 2.5 days, temperatures sit between 35.4°F (1.9°C) and 49.5°F (9.7°C). The significant drop in temperatures compared to November blankets the town in a white winter wonderland, setting the stage for merry Christmas celebrations and a hopeful new year.Temperature
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's moderate 57.2°F (14°C) to a frosty 49.5°F (9.7°C). In Loudon, the average nighttime temperature during December is a cold 35.4°F (1.9°C).Humidity
December is the most humid month, with an average relative humidity of 79%.Rainfall
In Loudon, in December, it is raining for 13.6 days, with typically 3.11" (79mm) of accumulated precipitation. In Loudon, during the entire year, the rain falls for 171.1 days and collects up to 32.24" (819mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Loudon, in December, snow falls for 2.5 days, with typically accumulated 0.39" (10mm) of snow. Throughout the year, there are 15 snowfall days, and 2.52" (64mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:29 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:34 pm EST.
Sunshine
In Loudon, the average sunshine in December is 5.2h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 2 in December transforms into this advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Loudon, TN
- Average high temperature in December: 49.5°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in December
Loudon, TN
- 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
Loudon, TN
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Loudon, TN
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Loudon, TN
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Loudon, TN
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in December
Loudon, TN
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Loudon, TN
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (4.7 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
Loudon, TN
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Loudon, TN
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in December
Loudon, 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
Loudon, TN
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in December
Loudon, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
