December weather forecast
Rosswood, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Rosswood, Tennessee, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 49.3°F (9.6°C).

Temperature

The average high-temperature slightly decreases in December, shifting from a mild 57.7°F (14.3°C) in November to a chilly 49.3°F (9.6°C). During December, an average low-temperature of 36.1°F (2.3°C) is observed in Rosswood.

Humidity

The most humid month in Rosswood is December, with an average relative humidity of 78%.

Rainfall

In Rosswood, Tennessee, in December, it is raining for 11.1 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, there are 150.1 rainfall days, and 24.41" (620mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Rosswood, in December, during 2.5 snowfall days, 0.39" (10mm) of snow is typically accumulated. Throughout the year, there are 12.1 snowfall days, and 2.24" (57mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:38 am and sunset at 4:32 pm. On the last day of December, sunrise is at 6:56 am and sunset at 4:42 pm CST.

Sunshine

In December, the average sunshine is 4.5h.

UV index

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 vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

In Rosswood, 49.3°F (9.6°C) is the average high-temperature and 36.1°F (2.3°C) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is appraised at 87.8°F (31°C).

What is the most humid month?

With an average relative humidity of 78%, December is the most humid month in Rosswood.

What is the average humidity in December?

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

How many days does it rain in December?

In December, the rain falls for 11.1 days. Throughout December, 1.85" (47mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 2.5 days. Throughout December, 0.39" (10mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 48min of daylight.

How many hours of daylight does Rosswood have in December?

In Rosswood, the average day length in December is 9h and 46min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:38 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:42 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 4.5h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Rosswood, TN

Average temperature in December - Rosswood, TN
  • Average high temperature in December: 49.3°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in December: 36.1°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in December
Rosswood, TN

Average pressure in December - Rosswood, TN
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in December
Rosswood, TN

Average wind speed in December - Rosswood, TN
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in December
Rosswood, TN

Average humidity in December - Rosswood, TN
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are June, August and October (73%).

Average rainfall in December
Rosswood, TN

Average rainfall in December - Rosswood, TN
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is November (1.38").

Average rainfall days in December
Rosswood, TN

Average rainfall days in December - Rosswood, TN
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.7 days).

Average snowfall in December
Rosswood, TN

Average snowfall in December - Rosswood, TN
  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Rosswood, TN

Average snowfall days in December - Rosswood, TN
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is January (3.5 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
Rosswood, TN

Average daylight in December / Average sunshine in December - Rosswood, TN
  • Average daylight in December: 9h and 5min

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 48min).

  • Average sunshine in December: 4h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in December
Rosswood, TN

Average sunshine days in December - Rosswood, TN
  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in December
Rosswood, TN

Average UV index in December - Rosswood, 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 February and December (UV index 2).

Average cloud cover in December
Rosswood, TN

Average cloud cover in December - Rosswood, TN
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December
Rosswood, TN

Average visibility in December - Rosswood, TN
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Rosswood, Tennessee, USA

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