December weather forecast
Primm Springs, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Primm Springs, Tennessee, with an average temperature varying between 49.1°F (9.5°C) and 35.6°F (2°C).

Temperature

December signifies a minor drop in average high-temperature, transitioning from a moderate 56.8°F (13.8°C) in November to a chilly 49.1°F (9.5°C). During the nights in December, the temperature averages to a wintry 35.6°F (2°C).

Humidity

March and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Primm Springs, during December, the rain falls for 13.2 days and regularly aggregates up to 3.27" (83mm) of precipitation. Throughout the year, there are 178.7 rainfall days, and 39.21" (996mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Primm Springs, in December, during 2.4 snowfall days, 0.75" (19mm) of snow is typically accumulated. Throughout the year, there are 13.4 snowfall days, and 3.78" (96mm) of snow is accumulated.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year in Primm Springs.
On the first day of December, sunrise is at 6:41 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:45 pm CST.

Sunshine

The months with the least sunshine are February and December, with an average of 4.6h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, a regular UV index of 2 translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

In Primm Springs, in December, the average high-temperature is 49.1°F (9.5°C), and the average low-temperature is 35.6°F (2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 86°F (30°C).

What are the most humid months?

The months with the highest humidity are March and December, with an average relative humidity of 79%.

What is the average humidity in December?

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

How many days does it rain in December?

In December, the rain falls for 13.2 days. Throughout December, 3.27" (83mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 2.4 days. Throughout December, 0.75" (19mm) 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 Primm Springs have in December?

In Primm Springs, Tennessee, the average day length in December is 9h and 47min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:41 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:45 pm CST.

What are the months with the least sunshine?

The months with the least sunshine are February and December, with an average of 4.6h of sunshine.

How long on average sun shines in December?

In Primm Springs, the average sunshine duration in December is 4.6h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In Primm Springs, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Primm Springs, TN

Average temperature in December - Primm Springs, TN
  • Average high temperature in December: 49.1°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 (45°F).

  • Average low temperature in December: 35.6°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in December
Primm Springs, TN

Average pressure in December - Primm Springs, 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
Primm Springs, TN

Average wind speed in December - Primm Springs, TN
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in December
Primm Springs, TN

Average humidity in December - Primm Springs, TN
  • Average humidity in December: 79%

The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Primm Springs, TN

Average rainfall in December - Primm Springs, TN
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is July (4.21").
The driest month (with the least rainfall) is September (2.44").

Average rainfall days in December
Primm Springs, TN

Average rainfall days in December - Primm Springs, TN
  • Average rainfall days in December: 13.2 days

The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.5 days).

Average snowfall in December
Primm Springs, TN

Average snowfall in December - Primm Springs, TN
  • Average snowfall in December: 0.75"

The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Primm Springs, TN

Average snowfall days in December - Primm Springs, TN
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is February (4 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
Primm Springs, TN

Average daylight in December / Average sunshine in December - Primm Springs, 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: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

Average sunshine days in December
Primm Springs, TN

Average sunshine days in December - Primm Springs, TN
  • Average sunshine days in December: 14.8 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in December
Primm Springs, TN

Average UV index in December - Primm Springs, 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 and December (UV index 2).

Average cloud cover in December
Primm Springs, TN

Average cloud cover in December - Primm Springs, TN
  • Average cloud cover in December: 52

The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December
Primm Springs, TN

Average visibility in December - Primm Springs, TN
  • Average visibility in December: 6mi

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

Primm Springs, Tennessee, USA

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