December weather forecastRiverridge, GA
December
Weather in December
December, the first month of the winter in Riverridge, is still a refreshing month, with an average temperature fluctuating between 41.4°F (5.2°C) and 56.5°F (13.6°C).Temperature
December sees a slight reduction in average high-temperature, with a shift from a refreshing 63.3°F (17.4°C) in November to a mild 56.5°F (13.6°C). During the nights in December, Riverridge observes an average low-temperature of 41.4°F (5.2°C).Humidity
With an average relative humidity of 78%, December is the most humid month in Riverridge, Georgia.Rainfall
In December, the rain falls for 11.1 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. Throughout the year, there are 152.9 rainfall days, and 22.2" (564mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:26 am and sunset at 5:33 pm. On the last day of December, sunrise is at 7:43 am and sunset at 5:44 pm EST.
Sunshine
With an average of 5h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Riverridge, GA
- Average high temperature in December: 56.5°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in December: 41.4°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in December
Riverridge, 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 (29.98"Hg).
Average wind speed in December
Riverridge, GA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Riverridge, GA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Riverridge, GA
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is October (1.3").
Average rainfall days in December
Riverridge, GA
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Riverridge, GA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Riverridge, GA
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Riverridge, 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 June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Riverridge, GA
- Average sunshine days in December: 18 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in December
Riverridge, GA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Riverridge, 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 September and October (Cloud cover 31).
Average visibility in December
Riverridge, 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).





