December weather forecastSummertown, GA
December
Weather in December
December, the first month of the winter in Summertown, is still a refreshing month, with temperature in the range of an average low of 43.5°F (6.4°C) and an average high of 58.6°F (14.8°C).Temperature
In Summertown, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's 64.8°F (18.2°C) to a still refreshing 58.6°F (14.8°C). Summertown records a mean low-temperature of 43.5°F (6.4°C) in December.Humidity
December is the most humid month, with an average relative humidity of 76%.Rainfall
In Summertown, in December, during 11.8 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. In Summertown, during the entire year, the rain falls for 174.8 days and collects up to 34.17" (868mm) of precipitation.Snowfall
Months with snowfall are February and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 0.6 snowfall days, and 0.12" (3mm) of snow is accumulated.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Summertown.On the first day of December in Summertown, sunrise is at 7:13 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:33 pm EST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year.UV index
January 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 medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 3 during December translates into the following guidance:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Summertown, GA
- Average high temperature in December: 58.6°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (55.2°F).
- Average low temperature in December: 43.5°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).
Average pressure in December
Summertown, GA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Summertown, GA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are February, March and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Summertown, GA
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in December
Summertown, GA
- Average rainfall in December: 3.54"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in December
Summertown, GA
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Summertown, GA
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Summertown, GA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.3 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
Summertown, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Summertown, GA
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is August (6.7 days).
Average UV index in December
Summertown, GA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Summertown, GA
- Average cloud cover in December: 41
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Summertown, 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).





