December weather forecast
Rotherwood Heights, TN

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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.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

An average high-temperature, in December, in Rotherwood Heights, is 47.3°F (8.5°C) and the average low-temperature is 32.9°F (0.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 95°F (35°C).

What is the average humidity in December?

In Rotherwood Heights, the average relative humidity in December is 78%.

How many days does it rain in December?

In Rotherwood Heights, in December, during 10.9 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

How much does it snow in December?

In Rotherwood Heights, during December, snow falls for 2.7 days and regularly aggregates up to 1.38" (35mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 42min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 43min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:24 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:25 pm EST.

How long on average sun shines in December?

In Rotherwood Heights, the average sunshine duration in December is 5.3h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Rotherwood Heights, TN

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Rotherwood Heights, 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 Heights, TN

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 - 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 - 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 - 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).

Rotherwood Heights, Tennessee, USA

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