December weather forecast
Rivermont, TN

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Weather in December

December, the first month of the winter in Rivermont, is still a cool month, with an average temperature fluctuating between 50.2°F (10.1°C) and 36.1°F (2.3°C).

Temperature

As Rivermont enters December, the average high-temperature subtly lowers from the a mild 57.6°F (14.2°C) of November to a fresh 50.2°F (10.1°C). Rivermont reports an average low-temperature of 36.1°F (2.3°C) during the nights of December.

Humidity

With an average relative humidity of 80%, December is the most humid month.

Rainfall

The months with the most rainfall in Rivermont are February and December, with an average 1.18" (30mm) of precipitation.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows in Rivermont. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Rivermont, during the entire year, snow falls for 2.9 days and aggregates up to 0.47" (12mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:31 am and sunset at 5:29 pm. On the last day of December, sunrise is at 7:49 am and sunset at 5:39 pm EST.

Sunshine

With an average of 5h of sunshine, December has the least sunshine of the year.

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 minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Rivermont in December?

The average high-temperature and low-temperature during December are 50.2°F (10.1°C) and 36.1°F (2.3°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is estimated at 86°F (30°C).

What is the most humid month?

With an average relative humidity of 80%, December is the most humid month.

What is the average humidity in December?

In Rivermont, the average relative humidity in December is 80%.

What is the wettest month?

The wettest months are February and December, with an average 1.18" (30mm) of rainfall.

How many days does it rain in December?

In December, the rain falls for 8.3 days. Throughout December, 1.18" (30mm) of precipitation is accumulated.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days?

With an average of 9h and 48min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Rivermont, Tennessee, the average day length in December is 9h and 50min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:31 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:39 pm EST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5h of sunshine.

How many hours of sunshine does Rivermont have in December?

In December, the average sunshine duration is 5h.

When is the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Rivermont, TN

Average temperature in December - Rivermont, TN
  • Average high temperature in December: 50.2°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in December: 36.1°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

Average pressure in December
Rivermont, TN

Average pressure in December - Rivermont, 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 (29.98"Hg).

Average wind speed in December
Rivermont, TN

Average wind speed in December - Rivermont, TN
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in December
Rivermont, TN

Average humidity in December - Rivermont, TN
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, October and November (75%).

Average rainfall in December
Rivermont, TN

Average rainfall in December - Rivermont, TN
  • Average rainfall in December: 1.18"

The wettest months (with the highest rainfall) are February and December (1.18").
The driest month (with the least rainfall) is September (0.43").

Average rainfall days in December
Rivermont, TN

Average rainfall days in December - Rivermont, TN
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is October (6.1 days).

Average snowfall in December
Rivermont, TN

Average snowfall in December - Rivermont, TN
  • Average snowfall in December: 0.04"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Rivermont, TN

Average snowfall days in December - Rivermont, TN
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Rivermont, TN

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Rivermont, TN

Average sunshine days in December - Rivermont, TN
  • Average sunshine days in December: 21.3 days

The month with the most sunshine days is October (23.6 days).
The month with the least sunshine days is July (16.8 days).

Average UV index in December
Rivermont, TN

Average UV index in December - Rivermont, 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
Rivermont, TN

Average cloud cover in December - Rivermont, TN
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December
Rivermont, TN

Average visibility in December - Rivermont, TN
  • Average visibility in December: 5mi

The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).

Rivermont, Tennessee, USA

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