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
A moderate decline in average high-temperatures is noted in December, moving from a refreshing 55.9°F (13.3°C) in November to a frosty 47.3°F (8.5°C). During December, the average low-temperature is recorded at a cold 32.9°F (0.5°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In Rotherwood, during December, the rain falls for 10.9 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Rotherwood, during the entire year, the rain falls for 147.1 days and collects up to 23.46" (596mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 2.7 days. Throughout December, 1.38" (35mm) of snow is accumulated. Throughout the year, there are 16.7 snowfall days, and 5.35" (136mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.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, 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Rotherwood, 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, 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, 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, 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, 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, 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, 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, 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, TN
- 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: 5h and 2min
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, 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, 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, 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, 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).
Rotherwood, Tennessee, USA
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