December weather forecastCornelia, GA

December

Weather in December

December, the first month of the winter in Cornelia, is still a cool month, with an average temperature varying between 37.8°F (3.2°C) and 52.7°F (11.5°C).

Temperature

As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a mild 59.9°F (15.5°C) to a cool 52.7°F (11.5°C). During the nights in December, the temperature in Cornelia averages to a wintry 37.8°F (3.2°C).

Humidity

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

Rainfall

December is the month with the most rainfall in Cornelia, Georgia. Rain falls for 12.7 days and accumulates 4.33" (110mm) of precipitation.

Snowfall

Months with snowfall in Cornelia are January through March, November and December. The month with the most snowfall in Cornelia is December, when snow falls for 0.9 days and typically aggregates up to 3.27" (83mm) of snow.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year in Cornelia.
On the first day of December in Cornelia, Georgia, sunrise is at 7:23 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:34 pm EST.

Sunshine

The month with the least sunshine in Cornelia is December, with an average of 5.1h of sunshine.

UV index

The months with the lowest UV index in Cornelia are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 in December translates into these instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

December temperatures vary between a high-temperature of 52.7°F (11.5°C) and a low-temperature of 37.8°F (3.2°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in September is calculated to be 89.6°F (32°C).

The most humid month in Cornelia is December, with an average relative humidity of 78%.

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

The month with the most rainfall in Cornelia, Georgia, is December, when the rain falls for 12.7 days and typically aggregates up to 4.33" (110mm) of precipitation.

In Cornelia, Georgia, in December, it is raining for 12.7 days, with typically 4.33" (110mm) of accumulated precipitation.

The month with the most snowfall is December, when snow falls for 0.9 days and typically aggregates up to 3.27" (83mm) of snow.

In Cornelia, in December, during 0.9 snowfall days, 3.27" (83mm) of snow is typically accumulated.

The month with the shortest days in Cornelia is December, with an average of 9h and 54min of daylight.

The average day length in December in Cornelia, Georgia, is 9h and 53min.

In December, on the first day of the month, sunrise is at 7:23 am and sunset at 5:23 pm. On the last day of the month, in Cornelia, sunrise is at 7:40 am and sunset at 5:34 pm EST.

With an average of 5.1h of sunshine, December has the least sunshine of the year in Cornelia, Georgia.

In December, the average sunshine duration is 5.1h.

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

In Cornelia, Georgia, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

59.9°F

52.7°F

48.7°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.8mph

6.3mph

7mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

19.9

16.9

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Cornelia, GA

Average high temperature in December: 52.7°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (48.7°F).

Average low temperature in December: 37.8°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).

Average pressure in December
Cornelia, 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
Cornelia, GA

Average wind speed in December: 5.8mph

The windiest months (with the highest average wind speed) are January and February (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Cornelia, GA

Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).

Average rainfall in December
Cornelia, GA

Average rainfall in December: 4.33"

The wettest month (with the highest rainfall) is December (4.33").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in December
Cornelia, GA

Average rainfall days in December: 12.7 days

The months with the highest number of rainy days are May and July (15.1 days).
The month with the least rainy days is October (8.8 days).

Average snowfall in December
Cornelia, GA

Average snowfall in December: 3.27"

The month with the highest snowfall is December (3.27").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Cornelia, GA

Average snowfall days in December: 0.9 days

The month with the highest number of snowfall days is February (1.8 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
Cornelia, GA

Average daylight in December: 9h and 54min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

Average sunshine in December: 5h and 6min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in December
Cornelia, GA

Average sunshine days in December: 16.9 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is February (12.7 days).

Average UV index in December
Cornelia, GA

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
Cornelia, GA

Average cloud cover in December: 45

The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 29).

Average visibility in December
Cornelia, GA

Average visibility in December: 5mi

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