December weather forecastTownsend, TN
December
Weather in December
December brings Townsend, Tennessee into the heart of winter with temperatures plummeting down to a low of 33.6°F (0.9°C). Interestingly, the average snowfall in December increases to 2.95" (75mm). The daylight decreases substantially, with 9.8 hours, the shortest in the year. Wind gust speeds can reach up to 8.5mph (13.7km/h), indicating the arrival of winter storms. Essentially, December's weather can be identified by cold temperatures, increased snowfall, and notably shortened daylight hours.Temperature
December signals a slight drop in average high-temperature, sliding from November's mild 55.6°F (13.1°C) to a chilly 48.2°F (9°C). Throughout the month of December, Townsend witnesses an average temperature of 33.6°F (0.9°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 80%.Rainfall
In December, the rain falls for 13.9 days. Throughout December, 3.9" (99mm) of precipitation is accumulated. Throughout the year, there are 196.8 rainfall days, and 39.72" (1009mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Townsend, in December, snow falls for 4.6 days, with typically accumulated 2.95" (75mm) of snow. Throughout the year, there are 26.2 snowfall days, and 11.42" (290mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:26 am and sunset at 5:21 pm. On the last day of December, sunrise is at 7:44 am and sunset at 5:32 pm EST.
Sunshine
In December, the average sunshine is 5.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Townsend, TN
- Average high temperature in December: 48.2°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in December: 33.6°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in December
Townsend, TN
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Townsend, TN
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in December
Townsend, TN
- 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 June, July, August and November (76%).
Average rainfall in December
Townsend, TN
- Average rainfall in December: 3.9"
The wettest month (with the highest rainfall) is July (4.37").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in December
Townsend, TN
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is November (11.9 days).
Average snowfall in December
Townsend, TN
- Average snowfall in December: 2.95"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Townsend, TN
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Townsend, 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 30min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Townsend, TN
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in December
Townsend, 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
Townsend, TN
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Townsend, TN
- Average visibility in December: 5mi
The months with the highest visibility are June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, April, May, September, October and December (5mi).





