December weather forecastLilly, GA

December

Weather in December

December, the first month of the winter in Lilly, is still a mild month, with an average temperature ranging between max 59.2°F (15.1°C) and min 44.6°F (7°C).

Temperature

December's arrival aligns with a minor decrease in average high-temperatures, from November's comfortable 65.5°F (18.6°C) to a mild 59.2°F (15.1°C). Lilly's temperature in December lowers to a consistent average of 44.6°F (7°C) during the nights.

Humidity

August and December, with an average relative humidity of 76%, are the most humid months in Lilly.

Rainfall

In December, in Lilly, the rain falls for 7.9 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. Throughout the year, in Lilly, there are 121.2 rainfall days, and 12.05" (306mm) of precipitation is accumulated.

Snowfall

February, April through December are months without snowfall in Lilly.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of December in Lilly, Georgia, sunrise is at 7:19 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:41 pm EST.

Sunshine

December has the least sunshine of the year in Lilly, with an average of 5.4h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 3 in December transforms into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. To guard against the harmful effects of the Sun, minimize exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

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

Frequently asked questions

During December, Lilly experiences an average high-temperature of 59.2°F (15.1°C) and a low-temperature of 44.6°F (7°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in September is computed to be 93.2°F (34°C).

The months with the highest humidity in Lilly, Georgia, are August and December, with an average relative humidity of 76%.

In Lilly, Georgia, the average relative humidity in December is 76%.

In Lilly, Georgia, in December, during 7.9 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

February, April through December are months without snowfall in Lilly.

In Lilly, in December, it doesn't snow. In January, it regularly snows.

With an average of 10h and 6min of daylight, December has the shortest days of the year in Lilly.

In Lilly, the average day length in December is 10h and 5min.

On the first day of December, sunrise is at 7:19 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:41 pm EST.

December has the least sunshine of the year in Lilly, Georgia, with an average of 5.4h of sunshine.

The average sunshine duration in December in Lilly, Georgia, is 5.4h.

The months with the lowest UV index are January and December, with an average maximum UV index of 3.

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Nov

December

Jan

Average high temperature

65.5°F

59.2°F

56.3°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.5mph

8.9mph

9.2mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

6.1

7.9

7.3

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

22.7

22.1

22.2

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Lilly, GA

Average high temperature in December: 59.2°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (56.3°F).

Average low temperature in December: 44.6°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).

Average pressure in December
Lilly, GA

Average pressure in December: 30.14"Hg

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

Average wind speed in December
Lilly, GA

Average wind speed in December: 8.3mph

The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in December
Lilly, GA

Average humidity in December: 76%

The months with the highest relative humidity are August and December (76%).
The months with the lowest relative humidity are January, October and November (70%).

Average rainfall in December
Lilly, GA

Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is August (1.38").
The driest month (with the least rainfall) is September (0.51").

Average rainfall days in December
Lilly, GA

Average rainfall days in December: 7.9 days

The month with the highest number of rainy days is August (16.1 days).
The month with the least rainy days is November (6.1 days).

Average snowfall days in December
Lilly, GA

Average snowfall days in December: 0 days

The months with the highest number of snowfall days are January and March (0.1 days).
The months with the least snowfall days are February, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Lilly, GA

Average daylight in December: 10h and 6min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

Average sunshine in December: 5h and 24min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in December
Lilly, GA

Average sunshine days in December: 22.1 days

The months with the most sunshine days are October and November (22.7 days).
The month with the least sunshine days is August (11.5 days).

Average UV index in December
Lilly, GA

Average UV index in December: 3

The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in December
Lilly, GA

Average cloud cover in December: 41

The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 27).

Average visibility in December
Lilly, GA

Average visibility in December: 6mi

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