December weather forecast
Reliance, TN

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Weather in December

The first month of the winter, December, is still a cool month in Reliance, Tennessee, with temperature in the range of an average low of 36°F (2.2°C) and an average high of 50.4°F (10.2°C).

Temperature

December witnesses a gentle descent in average high-temperature, descending from November's moderate 57.6°F (14.2°C) to a fresh 50.4°F (10.2°C). Throughout the nights in December, Reliance experiences an average low-temperature of 36°F (2.2°C).

Humidity

With an average relative humidity of 79%, December is the most humid month.

Rainfall

In December, in Reliance, the rain falls for 13.4 days. Throughout December, 2.99" (76mm) of precipitation is accumulated. In Reliance, during the entire year, the rain falls for 170.1 days and collects up to 33.23" (844mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Reliance, in December, snow falls for 2.3 days, with typically accumulated 0.39" (10mm) of snow. In Reliance, during the entire year, snow falls for 14.2 days and aggregates up to 2.36" (60mm) of snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:28 am and sunset at 5:25 pm. On the last day of December, sunrise is at 7:46 am and sunset at 5:36 pm EST.

Sunshine

The months with the least sunshine in Reliance, Tennessee, are January and December, with an average of 5.1h of sunshine.

UV index

The months with the lowest UV index in Reliance, Tennessee, are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, an average UV index of 2 transforms into the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Enhance your sun protection with tightly woven, yet airy clothing. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December in Reliance?

During December, Reliance experiences an average high-temperature of 50.4°F (10.2°C) and a low-temperature of 36°F (2.2°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in September is calculated to be 86°F (30°C).

What is the most humid month in Reliance?

The most humid month in Reliance, Tennessee, is December, with an average relative humidity of 79%.

What is the average humidity in December in Reliance?

In Reliance, the average relative humidity in December is 79%.

How many days does it rain in December in Reliance?

In Reliance, during December, the rain falls for 13.4 days and regularly aggregates up to 2.99" (76mm) of precipitation.

How much does it snow in Reliance in December?

In Reliance, in December, snow falls for 2.3 days, with typically accumulated 0.39" (10mm) of snow.

What is the month with the shortest days in Reliance?

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

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

The average day length in December in Reliance is 9h and 50min.

When are sunrise and sunset in December in Reliance?

In December, on the first day of the month, sunrise is at 7:28 am and sunset at 5:25 pm. On the last day of the month, in Reliance, sunrise is at 7:46 am and sunset at 5:36 pm EST.

What is the month with the least sunshine in Reliance?

The months with the least sunshine in Reliance, Tennessee, are January and December, with an average of 5.1h of sunshine.

How many hours of sunshine does Reliance have in December?

The average sunshine duration in December in Reliance is 5.1h.

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

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

How high is the UV index in December in Reliance?

In December, the average daily maximum UV index is 2. A UV Index estimate 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
Reliance, TN

Average temperature in December - Reliance, TN
  • Average high temperature in December: 50.4°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in December: 36°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in December
Reliance, TN

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

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in December
Reliance, TN

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

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in December
Reliance, TN

Average humidity in December - Reliance, TN
  • Average humidity in December: 79%

The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are August, October and November (75%).

Average rainfall in December
Reliance, TN

Average rainfall in December - Reliance, TN
  • Average rainfall in December: 2.99"

The wettest month (with the highest rainfall) is July (3.94").
The driest months (with the least rainfall) are September and November (1.89").

Average rainfall days in December
Reliance, TN

Average rainfall days in December - Reliance, TN
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in December
Reliance, TN

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

The month with the highest snowfall is February (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Reliance, TN

Average snowfall days in December - Reliance, TN
  • Average snowfall days in December: 2.3 days

The month with the highest number of snowfall days is January (4.6 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
Reliance, TN

Average daylight in December / Average sunshine in December - Reliance, 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

Average sunshine days in December
Reliance, TN

Average sunshine days in December - Reliance, TN
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.4 days).

Average UV index in December
Reliance, TN

Average UV index in December - Reliance, 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
Reliance, TN

Average cloud cover in December - Reliance, 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 June (Cloud cover 28).

Average visibility in December
Reliance, TN

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

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

Reliance, Tennessee, USA

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