December weather forecastGilleland, GA

December

Weather in December

December, the first month of the winter in Gilleland, is still a cool month, with an average temperature varying between 52.5°F (11.4°C) and 38.3°F (3.5°C).

Temperature

In the transition to December, Gilleland observes a minor drop in the average high-temperature, shifting from a refreshing 59.4°F (15.2°C) in November to a cool 52.5°F (11.4°C). Throughout the month of December, Gilleland witnesses an average low-temperature of 38.3°F (3.5°C).

Humidity

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

Rainfall

December is the month with the most rainfall in Gilleland. Rain falls for 13.6 days and accumulates 4.25" (108mm) of precipitation.

Snowfall

Months with snowfall in Gilleland are January through March, November and December. December is the month with the most snowfall in Gilleland. Snow falls for 0.6 days and accumulates 1.54" (39mm) 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 5:25 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:36 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 5.2h 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 unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 2 in December translates into these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

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

Frequently asked questions

In Gilleland, in December, the average high-temperature is 52.5°F (11.4°C), and the average low-temperature is 38.3°F (3.5°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 89.6°F (32°C).

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

The average relative humidity in December in Gilleland, Georgia, is 78%.

December is the month with the most rainfall. Rain falls for 13.6 days and accumulates 4.25" (108mm) of precipitation.

In Gilleland, Georgia, during December, the rain falls for 13.6 days and regularly aggregates up to 4.25" (108mm) of precipitation.

The month with the most snowfall in Gilleland is December, when snow falls for 0.6 days and typically aggregates up to 1.54" (39mm) of snow.

In Gilleland, Georgia, in December, snow falls for 0.6 days, with typically accumulated 1.54" (39mm) of snow.

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

The average day length in December in Gilleland, Georgia, is 9h and 55min.

On the first day of December in Gilleland, sunrise is at 7:23 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:36 pm EST.

December has the least sunshine of the year, with an average of 5.2h of sunshine.

The average sunshine duration in December in Gilleland is 5.2h.

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

The average daily maximum UV index in December in Gilleland is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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

59.4°F

52.5°F

48.6°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.5mph

7.1mph

7.8mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

18.1

15.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Gilleland, GA

Average high temperature in December: 52.5°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (48.6°F).

Average low temperature in December: 38.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average pressure in December
Gilleland, GA

Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in December
Gilleland, GA

Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Gilleland, GA

Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are July, August, October and November (73%).

Average rainfall in December
Gilleland, GA

Average rainfall in December: 4.25"

The wettest month (with the highest rainfall) is December (4.25").
The driest month (with the least rainfall) is October (2.36").

Average rainfall days in December
Gilleland, GA

Average rainfall days in December: 13.6 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is October (10.1 days).

Average snowfall in December
Gilleland, GA

Average snowfall in December: 1.54"

The month with the highest snowfall is December (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Gilleland, GA

Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (1.7 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
Gilleland, 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 12min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in December
Gilleland, GA

Average sunshine days in December: 15.8 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in December
Gilleland, 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
Gilleland, GA

Average cloud cover in December: 44

The months with the most cloud cover are February and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in December
Gilleland, GA

Average visibility in December: 5mi

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