December weather forecastLithonia, GA
December
Weather in December
The first month of the winter, December, is still a cool month in Lithonia, Georgia, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 39.7°F (4.3°C).Temperature
The transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from an enjoyable 61.3°F (16.3°C) in November to a cool 53.8°F (12.1°C). December nights in Lithonia, Georgia, cool down to an average low-temperature of 39.7°F (4.3°C).Humidity
The most humid month is December, with an average relative humidity of 77%.Rainfall
In Lithonia, Georgia, in December, it is raining for 13.3 days, with typically 3.7" (94mm) of accumulated precipitation. Throughout the year, in Lithonia, there are 182.9 rainfall days, and 40.39" (1026mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Lithonia, during December, snow falls for 0.3 days and regularly aggregates up to 0.12" (3mm) of snow. Throughout the year, in Lithonia, there are 2.4 snowfall days, and 1.5" (38mm) of snow is accumulated.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Lithonia.On the first day of the month, sunrise is at 7:23 am and sunset at 5:27 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:38 pm EST.
Sunshine
With an average of 5.1h of sunshine, December has the least sunshine of the year in Lithonia, Georgia.UV index
The months with the lowest UV index in Lithonia are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lithonia, GA
- Average high temperature in December: 53.8°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in December
Lithonia, GA
- Average pressure in December: 30.15"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
Lithonia, GA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Lithonia, GA
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Lithonia, GA
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is August (5.35").
The driest month (with the least rainfall) is October (2.2").
Average rainfall days in December
Lithonia, GA
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Lithonia, GA
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Lithonia, GA
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.9 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
Lithonia, GA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- 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
Lithonia, GA
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in December
Lithonia, 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
Lithonia, GA
- Average cloud cover in December: 45
The months with the most cloud cover are February and December (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Lithonia, 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).
