December weather forecastRotherwood Heights, TN
December
Weather in December
The first month of the winter, December, is also a frosty month in Rotherwood Heights, Tennessee, with an average temperature ranging between max 47.3°F (8.5°C) and min 32.9°F (0.5°C).Temperature
With the arrival of December, Rotherwood Heights experiences a modest decline in average high-temperatures, transitioning from a refreshing 55.9°F (13.3°C) in November to a frosty 47.3°F (8.5°C). An average nighttime temperature of 32.9°F (0.5°C) is witnessed throughout December.Humidity
In December, the average relative humidity is 78%.Rainfall
In Rotherwood Heights, in December, it is raining for 10.9 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, there are 147.1 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Rotherwood Heights, in December, snow falls for 2.7 days, with typically accumulated 1.38" (35mm) of snow. In Rotherwood Heights, during the entire year, snow falls for 16.7 days and aggregates up to 5.35" (136mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:24 am and sunset at 5:15 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:25 pm EST.
Sunshine
In Rotherwood Heights, the average sunshine in December is 5.3h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. When the Sun is at its strongest around midday, find shade and limit exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rotherwood Heights, TN
- Average high temperature in December: 47.3°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 (42.4°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in December
Rotherwood Heights, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Rotherwood Heights, TN
- Average wind speed in December: 5.6mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Rotherwood Heights, TN
- Average humidity in December: 78%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August, September and November (74%).
Average rainfall in December
Rotherwood Heights, TN
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is February (3.03").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in December
Rotherwood Heights, TN
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is November (8 days).
Average snowfall in December
Rotherwood Heights, TN
- Average snowfall in December: 1.38"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Rotherwood Heights, TN
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is January (5.2 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
Rotherwood Heights, TN
- Average daylight in December: 9h and 42min
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: 5h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Rotherwood Heights, TN
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in December
Rotherwood Heights, 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
Rotherwood Heights, TN
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Rotherwood Heights, TN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





