December weather forecast
River Colony, GA

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Weather in December

December, the first month of the winter in River Colony, is still a cool month, with an average temperature fluctuating between 39.2°F (4°C) and 53.6°F (12°C).

Temperature

December ushers in a minute temperature change, with average high-temperatures reducing from November's refreshing 60.8°F (16°C) to a fresh 53.6°F (12°C). Throughout December, an average low-temperature of 39.2°F (4°C) is experienced in River Colony.

Humidity

December is the most humid month, with an average relative humidity of 77%.

Rainfall

In River Colony, in December, during 12.7 rainfall days, 3.74" (95mm) of precipitation is typically accumulated. In River Colony, during the entire year, the rain falls for 172.5 days and collects up to 40.59" (1031mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in River Colony. In River Colony, in December, during 0.5 snowfall days, 0.2" (5mm) of snow is typically accumulated. Throughout the year, there are 3.6 snowfall days, and 1.89" (48mm) of snow is accumulated.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:23 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:37 pm EST.

Sunshine

With an average of 5h of sunshine, December has the least sunshine of the year.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

During December, River Colony experiences an average high-temperature of 53.6°F (12°C) and a low-temperature of 39.2°F (4°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is computed to be 89.6°F (32°C).

What is the most humid month?

With an average relative humidity of 77%, December is the most humid month.

What is the average humidity in December?

The average relative humidity in December is 77%.

How much does it rain in December?

In River Colony, in December, it is raining for 12.7 days, with typically 3.74" (95mm) of accumulated precipitation.

How much does it snow in December?

In River Colony, during December, snow falls for 0.5 days and regularly aggregates up to 0.2" (5mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length in River Colony, Georgia, is 9h and 56min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:23 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:37 pm EST.

What is the month with the least sunshine?

With an average of 5h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does River Colony have in December?

In December, the average sunshine duration is 5h.

When is the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
River Colony, GA

Average temperature in December - River Colony, GA
  • Average high temperature in December: 53.6°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in December: 39.2°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 (34.3°F).

Average pressure in December
River Colony, GA

Average pressure in December - River Colony, 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
River Colony, GA

Average wind speed in December - River Colony, GA
  • Average wind speed in December: 7.4mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in December
River Colony, GA

Average humidity in December - River Colony, GA
  • Average humidity in December: 77%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).

Average rainfall in December
River Colony, GA

Average rainfall in December - River Colony, GA
  • Average rainfall in December: 3.74"

The wettest month (with the highest rainfall) is August (5.04").
The driest month (with the least rainfall) is October (2.17").

Average rainfall days in December
River Colony, GA

Average rainfall days in December - River Colony, GA
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is July (20 days).
The months with the least rainy days are October and November (9.7 days).

Average snowfall in December
River Colony, GA

Average snowfall in December - River Colony, GA
  • Average snowfall in December: 0.2"

The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
River Colony, GA

Average snowfall days in December - River Colony, GA
  • Average snowfall days in December: 0.5 days

The months with the highest number of snowfall days are January and February (1.3 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
River Colony, GA

Average daylight in December / Average sunshine in December - River Colony, GA
  • Average daylight in December: 9h and 5min

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 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
River Colony, GA

Average sunshine days in December - River Colony, GA
  • Average sunshine days in December: 16.8 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (9 days).

Average UV index in December
River Colony, GA

Average UV index in December - River Colony, GA
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
River Colony, GA

Average cloud cover in December - River Colony, GA
  • Average cloud cover in December: 47

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in December
River Colony, GA

Average visibility in December - River Colony, 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).

River Colony, Georgia, USA

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