December weather forecast
Mountain City, GA

Share

Weather in December

The first month of the winter, December, is also a frosty month in Mountain City, Georgia, with temperature in the range of an average low of 34.9°F (1.6°C) and an average high of 49.1°F (9.5°C).

Temperature

With the onset of December, the average high-temperature subtly recedes from November's moderate 56.8°F (13.8°C) to a frosty 49.1°F (9.5°C). In Mountain City, the nighttime temperature averages to an icy 34.9°F (1.6°C) during December.

Humidity

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

Rainfall

December is the month with the most rainfall. Rain falls for 13.7 days and accumulates 5" (127mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 1.5 days and accumulates 3.54" (90mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 7:23 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:32 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.2h of sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Mountain City in December?

During December, Mountain City experiences an average high-temperature of 49.1°F (9.5°C) and a low-temperature of 34.9°F (1.6°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is appraised at 91.4°F (33°C).

What is the most humid month?

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

What is the average humidity in December?

The average relative humidity in December is 79%.

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 13.7 days and typically aggregates up to 5" (127mm) of precipitation.

How many days does it rain in December?

In December, the rain falls for 13.7 days. Throughout December, 5" (127mm) of precipitation is accumulated.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 1.5 days and accumulates 3.54" (90mm) of snow.

How many days does it snow in December?

In Mountain City, during December, snow falls for 1.5 days and regularly aggregates up to 3.54" (90mm) of snow.

What is the month with the shortest days?

With an average of 9h and 54min of daylight, December has the shortest days of the year.

How many hours of daylight does Mountain City have in December?

In December, the average day length is 9h and 52min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:23 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:32 pm EST.

What is the month with the least sunshine?

With an average of 5.2h of sunshine, December has the least sunshine of the year in Mountain City.

How many hours of sunshine does Mountain City have in December?

The average sunshine duration in December is 5.2h.

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.

How high is the UV index in December in Mountain City?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Mountain City, GA

Average temperature in December - Mountain City, GA
  • Average high temperature in December: 49.1°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (45.3°F).

  • Average low temperature in December: 34.9°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in December
Mountain City, GA

Average pressure in December - Mountain City, GA
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in December
Mountain City, GA

Average wind speed in December - Mountain City, GA
  • Average wind speed in December: 5.1mph

The windiest months (with the highest average wind speed) are February and April (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in December
Mountain City, GA

Average humidity in December - Mountain City, GA
  • Average humidity in December: 79%

The months with the highest relative humidity are February, May and December (79%).
The months with the lowest relative humidity are January and November (75%).

Average rainfall in December
Mountain City, GA

Average rainfall in December - Mountain City, GA
  • Average rainfall in December: 5"

The wettest month (with the highest rainfall) is December (5").
The driest month (with the least rainfall) is September (2.83").

Average rainfall days in December
Mountain City, GA

Average rainfall days in December - Mountain City, GA
  • Average rainfall days in December: 13.7 days

The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is November (10.5 days).

Average snowfall in December
Mountain City, GA

Average snowfall in December - Mountain City, GA
  • Average snowfall in December: 3.54"

The month with the highest snowfall is December (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Mountain City, GA

Average snowfall days in December - Mountain City, GA
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Mountain City, GA

Average daylight in December / Average sunshine in December - Mountain City, GA
  • 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 54min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in December
Mountain City, GA

Average sunshine days in December - Mountain City, GA
  • Average sunshine days in December: 15.1 days

The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is July (6.8 days).

Average UV index in December
Mountain City, GA

Average UV index in December - Mountain City, GA
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Mountain City, GA

Average cloud cover in December - Mountain City, GA
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in December
Mountain City, GA

Average visibility in December - Mountain City, GA
  • Average visibility in December: 5mi

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

Mountain City, Georgia, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location