Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The transition into December subtly indicates a reduction in the average high-temperature, down to a fresh 53.8°F (12.1°C) from November's comfortable 61.3°F (16.3°C). During December, Stone Mountain's temperature averages to a cold 39.7°F (4.3°C) at night.Humidity
The most humid month is December, with an average relative humidity of 77%.Rainfall
In Stone Mountain, during December, the rain falls for 13.3 days and regularly aggregates up to 3.7" (94mm) of precipitation. In Stone Mountain, Georgia, during the entire year, the rain falls for 182.9 days and collects up to 40.39" (1026mm) of precipitation.Snowfall
Months with snowfall in Stone Mountain, Georgia, are January through March, November and December. In Stone Mountain, Georgia, in December, snow falls for 0.3 days, with typically accumulated 0.12" (3mm) of snow. In Stone Mountain, during the entire year, snow falls for 2.4 days and aggregates up to 1.5" (38mm) of snow.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December in Stone Mountain, Georgia, sunrise is at 7:24 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:38 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.1h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Stone Mountain. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What is the average December temperature in Stone Mountain?
What is the most humid month in Stone Mountain?
What is the average humidity in December in Stone Mountain?
How much does it rain in Stone Mountain in December?
How many days does it snow in December in Stone Mountain?
What is the month with the shortest days in Stone Mountain?
How many hours of daylight does Stone Mountain have in December?
What time are sunrise and sunset in December in Stone Mountain?
What is the month with the least sunshine in Stone Mountain?
How long on average sun shines in December in Stone Mountain?
When is the lowest UV index in Stone Mountain?
What is the UV index intensity in December in Stone Mountain?
Average temperature in December
Stone Mountain, 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
Stone Mountain, 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
Stone Mountain, 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
Stone Mountain, 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
Stone Mountain, 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
Stone Mountain, 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
Stone Mountain, 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
Stone Mountain, 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
Stone Mountain, 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 1min
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
Stone Mountain, 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
Stone Mountain, 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
Stone Mountain, 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
Stone Mountain, 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).
Stone Mountain, Georgia, USA
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