December weather forecastDacula, GA
December
Weather in December
The first month of the winter, December, is also a fresh month in Dacula, Georgia, with an average temperature fluctuating between 53.4°F (11.9°C) and 39.2°F (4°C).Temperature
Transition into December subtly marks a drop in the average high-temperature, moderately moving from an enjoyable 60.8°F (16°C) in November to a cool 53.4°F (11.9°C). In Dacula, the average temperature during the nights of December drops to a wintry 39.2°F (4°C).Humidity
With an average relative humidity of 77%, December is the most humid month in Dacula.Rainfall
In Dacula, in December, it is raining for 13.1 days, with typically 3.98" (101mm) of accumulated precipitation. In Dacula, during the entire year, the rain falls for 177.7 days and collects up to 42.28" (1074mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Dacula, during December, snow falls for 0.5 days and regularly aggregates up to 0.24" (6mm) of snow. In Dacula, during the entire year, snow falls for 3.9 days and aggregates up to 2.2" (56mm) 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 5:26 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:37 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 during December leads to these advisories:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Enhance your sun protection with tightly woven, yet airy clothing. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dacula, GA
- Average high temperature in December: 53.4°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (49.8°F).
- Average low temperature in December: 39.2°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in December
Dacula, 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
Dacula, GA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Dacula, 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 (71%).
Average rainfall in December
Dacula, GA
- Average rainfall in December: 3.98"
The wettest month (with the highest rainfall) is August (4.92").
The driest month (with the least rainfall) is October (2.24").
Average rainfall days in December
Dacula, GA
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is October (9.7 days).
Average snowfall in December
Dacula, GA
- Average snowfall in December: 0.24"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Dacula, GA
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.5 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
Dacula, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Dacula, GA
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in December
Dacula, 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
Dacula, GA
- Average cloud cover in December: 46
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Dacula, 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).





