December weather forecastGreers Mountain, GA
December
Weather in December
December, the first month of the winter in Greers Mountain, is still a refreshing month, with an average temperature fluctuating between 55.4°F (13°C) and 40.3°F (4.6°C).Temperature
December brings a slight decrease in temperature, down from a comfortable 61.9°F (16.6°C) in November to a moderate 55.4°F (13°C). Greers Mountain experiences an average nighttime temperature of 40.3°F (4.6°C) in the month of December.Humidity
December is the most humid month, with an average relative humidity of 78%.Rainfall
In Greers Mountain, during December, the rain falls for 12.8 days and regularly aggregates up to 3.7" (94mm) of precipitation. In Greers Mountain, during the entire year, the rain falls for 179.7 days and collects up to 39.76" (1010mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 0.3 days. Throughout December, 0.2" (5mm) of snow is accumulated. In Greers Mountain, during the entire year, snow falls for 2.7 days and aggregates up to 1.14" (29mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:24 am and sunset at 5:30 pm. On the last day of December, in Greers Mountain, sunrise is at 7:42 am and sunset at 5:41 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 3 in December translates into this advice:
Undertake protective steps - Preventing sun damage is advised. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Greers Mountain, GA
- Average high temperature in December: 55.4°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (51.6°F).
- Average low temperature in December: 40.3°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in December
Greers 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
Greers Mountain, GA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Greers Mountain, GA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall in December
Greers Mountain, GA
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is August (5.04").
The driest month (with the least rainfall) is October (2.13").
Average rainfall days in December
Greers Mountain, GA
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in December
Greers Mountain, GA
- Average snowfall in December: 0.2"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Greers 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
Greers Mountain, GA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- 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
Greers Mountain, GA
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (7 days).
Average UV index in December
Greers Mountain, GA
- Average UV index in December: 3
The months with the highest UV index are May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Greers Mountain, GA
- Average cloud cover in December: 46
The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are June and October (Cloud cover 31).
Average visibility in December
Greers 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).





