December weather forecast
Richland, TN

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Weather in December

December, the first month of the winter in Richland, is still a chilly month, with an average temperature varying between 35.8°F (2.1°C) and 48.9°F (9.4°C).

Temperature

With the commencement of December, Richland records a moderate temperature decline, with the average high easing from November's refreshing 57.4°F (14.1°C) to a chilly 48.9°F (9.4°C). December's average low-temperature reading in Richland settles at a cold 35.8°F (2.1°C).

Humidity

December is the most humid month, with an average relative humidity of 78%.

Rainfall

In Richland, during December, the rain falls for 11.7 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Richland, Tennessee, during the entire year, the rain falls for 166.2 days and collects up to 33.86" (860mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Richland, Tennessee, during December, snow falls for 2 days and regularly aggregates up to 0.55" (14mm) of snow. Throughout the year, in Richland, there are 9.7 snowfall days, and 3.15" (80mm) of snow is accumulated.

Daylight

The month with the shortest days in Richland is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:40 am and sunset at 4:32 pm. On the last day of December, sunrise is at 6:58 am and sunset at 4:43 pm CST.

Sunshine

The average sunshine in December in Richland is 4.6h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 2 in December leads to these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures in Richland?

The high-temperature, in December, in Richland, records 48.9°F (9.4°C), while the low-temperature is 35.8°F (2.1°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 86°F (30°C).

What is the most humid month in Richland?

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

What is the average humidity in December in Richland?

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

How many days does it rain in December in Richland?

In December, in Richland, the rain falls for 11.7 days. Throughout December, 2.56" (65mm) of precipitation is accumulated.

How much does it snow in Richland in December?

In Richland, Tennessee, in December, snow falls for 2 days, with typically accumulated 0.55" (14mm) of snow.

What is the month with the shortest days in Richland?

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

What is the average length of the day in December in Richland?

The average day length in December is 9h and 45min.

When are sunrise and sunset in December in Richland?

In December, on the first day of the month, sunrise is at 6:40 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:43 pm CST.

How long on average sun shines in December in Richland?

The average sunshine duration in December in Richland is 4.6h.

What are the months with the lowest UV index in Richland?

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

How high is the UV index in December in Richland?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
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
Richland, TN

Average temperature in December - Richland, TN
  • Average high temperature in December: 48.9°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (45°F).

  • Average low temperature in December: 35.8°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 (30.6°F).

Average pressure in December
Richland, TN

Average pressure in December - Richland, 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
Richland, TN

Average wind speed in December - Richland, TN
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in December
Richland, TN

Average humidity in December - Richland, 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 and October (73%).

Average rainfall in December
Richland, TN

Average rainfall in December - Richland, TN
  • Average rainfall in December: 2.56"

The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is November (1.81").

Average rainfall days in December
Richland, TN

Average rainfall days in December - Richland, TN
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in December
Richland, TN

Average snowfall in December - Richland, TN
  • Average snowfall in December: 0.55"

The month with the highest snowfall is March (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Richland, TN

Average snowfall days in December - Richland, TN
  • Average snowfall days in December: 2 days

The month with the highest number of snowfall days is February (3.2 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
Richland, TN

Average daylight in December / Average sunshine in December - Richland, 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Richland, TN

Average sunshine days in December - Richland, TN
  • Average sunshine days in December: 17 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in December
Richland, TN

Average UV index in December - Richland, 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
Richland, TN

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

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in December
Richland, TN

Average visibility in December - Richland, 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).

Richland, Tennessee, USA

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