December weather forecastVista Brook, GA

December

Weather in December

December, the first month of the winter in Vista Brook, is also a fresh month, with temperature in the range of an average high of 52.7°F (11.5°C) and an average low of 38.5°F (3.6°C).

Temperature

The onset of December results in a small decrease in the average high-temperature, moderately receding from a moderate 59.7°F (15.4°C) in November to a cool 52.7°F (11.5°C). December sees the temperature falling to a mean low of 38.5°F (3.6°C).

Humidity

With an average relative humidity of 78%, December is the most humid month.

Rainfall

In Vista Brook, in December, it is raining for 13.2 days, with typically 4.13" (105mm) of accumulated precipitation. Throughout the year, there are 180.6 rainfall days, and 42.4" (1077mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. The month with the most snowfall is December, when snow falls for 0.6 days and typically aggregates up to 1.54" (39mm) 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 the month, sunrise is at 7:23 am and sunset at 5:25 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:36 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 5.2h 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 reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 2 in December translates into this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Vista Brook, in December, the average high-temperature is 52.7°F (11.5°C), and the average low-temperature is 38.5°F (3.6°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 89.6°F (32°C).

With an average relative humidity of 78%, December is the most humid month.

The average relative humidity in December is 78%.

In December, the rain falls for 13.2 days. Throughout December, 4.13" (105mm) of precipitation is accumulated.

The month with the most snowfall is December, when snow falls for 0.6 days and typically aggregates up to 1.54" (39mm) of snow.

In December, it is snowing for 0.6 days. Throughout December, 1.54" (39mm) of snow is accumulated.

With an average of 9h and 54min of daylight, December has the shortest days of the year.

The average day length in December is 9h and 55min.

In December, on the first day of the month, sunrise is at 7:23 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:36 pm EST.

December has the least sunshine of the year, with an average of 5.2h of sunshine.

In December, the average sunshine duration is 5.2h.

January and December, with an average maximum UV index of 2, are months with the lowest UV index.

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Vista Brook, GA

  • Average high temperature in December: 52.7°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in December: 38.5°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average pressure in December
Vista Brook, 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
Vista Brook, GA

  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Vista Brook, GA

  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are July and October (72%).

Average rainfall in December
Vista Brook, GA

  • Average rainfall in December: 4.13"

The wettest month (with the highest rainfall) is August (4.61").
The driest month (with the least rainfall) is October (2.32").

Average rainfall days in December
Vista Brook, GA

  • Average rainfall days in December: 13.2 days

The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is October (9.6 days).

Average snowfall in December
Vista Brook, GA

  • Average snowfall in December: 1.54"

The month with the highest snowfall is December (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Vista Brook, GA

  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (1.7 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
Vista Brook, 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 12min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in December
Vista Brook, GA

  • Average sunshine days in December: 15.8 days

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is July (7.7 days).

Average UV index in December
Vista Brook, 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
Vista Brook, GA

  • Average cloud cover in December: 45

The months with the most cloud cover are February and December (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in December
Vista Brook, 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).