December weather forecast
Summertown, GA

Share

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.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature in Summertown?

In December, in Summertown, the average high-temperature is 58.6°F (14.8°C), and the average low-temperature is 43.5°F (6.4°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in September is evaluated at 95°F (35°C).

What is the most humid month in Summertown?

December is the most humid month in Summertown, with an average relative humidity of 76%.

What is the average humidity in December in Summertown?

In December, the average relative humidity in Summertown is 76%.

How many days does it rain in December in Summertown?

In December, in Summertown, the rain falls for 11.8 days. Throughout December, 3.54" (90mm) of precipitation is accumulated.

When does it start to snow in Summertown?

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Summertown?

December has the shortest days of the year in Summertown, with an average of 10h and 0min of daylight.

What is the average length of the day in December in Summertown?

The average day length in December in Summertown, Georgia, is 10h and 2min.

What time are sunrise and sunset in December 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.

What is the month with the least sunshine in Summertown?

December has the least sunshine of the year, with an average of 5.4h of sunshine.

How many hours of sunshine does Summertown have in December?

The average sunshine duration in December in Summertown is 5.4h.

What are the months with the lowest UV index in Summertown?

The months with the lowest UV index in Summertown, Georgia, are January and December, with an average maximum UV index of 3.

What is the UV index reading in December in Summertown?

In December, the average daily maximum UV index in Summertown, Georgia, is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Summertown, GA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 2min

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 - 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 - 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 - 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 - 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).

Summertown, Georgia, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location