December weather forecastChelsea, GA

December

Weather in December

December, the first month of the winter in Chelsea, is also a fresh month, with an average temperature ranging between max 52.3°F (11.3°C) and min 36.9°F (2.7°C).

Temperature

Chelsea observes a small decrease in the average high-temperature with the arrival of December, falling from November's mild 59.2°F (15.1°C) to a cool 52.3°F (11.3°C). In Chelsea, the expected average low-temperature for December is an icy 36.9°F (2.7°C).

Humidity

With an average relative humidity of 80%, December is the most humid month.

Rainfall

In Chelsea, in December, during 11.2 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Chelsea, during the entire year, the rain falls for 157 days and collects up to 20" (508mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Chelsea, Georgia, in December, snow falls for 0.6 days, with typically accumulated 0.2" (5mm) of snow. In Chelsea, during the entire year, snow falls for 3.7 days and aggregates up to 0.91" (23mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 7:30 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:41 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 4.7h 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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Chelsea, 52.3°F (11.3°C) is the average high-temperature and 36.9°F (2.7°C) is the average low-temperature during December. In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 87.8°F (31°C).

The most humid month is December, with an average relative humidity of 80%.

The average relative humidity in December is 80%.

In Chelsea, Georgia, in December, during 11.2 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

In Chelsea, in December, during 0.6 snowfall days, 0.2" (5mm) of snow is typically accumulated.

The month with the shortest days is December, with an average of 9h and 54min of daylight.

In Chelsea, the average day length in December is 9h and 53min.

In December, on the first day of the month, sunrise is at 7:30 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:41 pm EST.

With an average of 4.7h of sunshine, December has the least sunshine of the year.

In Chelsea, Georgia, the average sunshine duration in December is 4.7h.

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 estimate of 2, and below, represents a minimal hazard to health 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
Chelsea, GA

  • Average high temperature in December: 52.3°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (47.7°F).

  • Average low temperature in December: 36.9°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (32.4°F).

Average pressure in December
Chelsea, GA

  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in December
Chelsea, GA

  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in December
Chelsea, GA

  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Chelsea, GA

  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is August (2.56").
The driest month (with the least rainfall) is October (1.06").

Average rainfall days in December
Chelsea, GA

  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (7.8 days).

Average snowfall in December
Chelsea, GA

  • Average snowfall in December: 0.2"

The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Chelsea, GA

  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Chelsea, 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: 4h and 42min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days in December
Chelsea, GA

  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (9.2 days).

Average UV index in December
Chelsea, 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
Chelsea, GA

  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 32).

Average visibility in December
Chelsea, GA

  • Average visibility in December: 5mi

The months with the highest visibility are February, March, April, June, October and November (6mi).
The months with the lowest visibility are January, May, July, August, September and December (5mi).