December weather forecast
Arnco Mills, GA

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Weather in December

The first month of the winter, December, is also a fresh month in Arnco Mills, Georgia, with an average temperature fluctuating between 55.2°F (12.9°C) and 40.5°F (4.7°C).

Temperature

The beginning of December brings a minor change in the average high-temperature, shifting from an enjoyable 61.7°F (16.5°C) in November to a cool 55.2°F (12.9°C). Arnco Mills experiences a mean temperature of 40.5°F (4.7°C) during December nights.

Humidity

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

Rainfall

In Arnco Mills, during December, the rain falls for 8.1 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 109.8 rainfall days, and 8.82" (224mm) of precipitation is accumulated.

Snowfall

February, April through December are months without snowfall.

Daylight

December has the shortest days of the year in Arnco Mills, with an average of 10h and 0min of daylight.
On the first day of December, sunrise is at 7:25 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:42 pm EST.

Sunshine

With an average of 5.1h of sunshine, December has the least sunshine of the year.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 3 during December translates into the following guidance:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

The average high-temperature, in December, in Arnco Mills, is 55.2°F (12.9°C), while the average low-temperature is 40.5°F (4.7°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 91.4°F (33°C).

What is the most humid month?

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

What is the average humidity in December?

In December, the average relative humidity in Arnco Mills is 78%.

How many days does it rain in December in Arnco Mills?

In Arnco Mills, in December, during 8.1 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

When it does not snow?

In Arnco Mills, snow does not fall in February, April through December.

Does it snow in December?

In Arnco Mills, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length is 9h and 59min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:25 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:42 pm EST.

What is the month with the least sunshine in Arnco Mills?

December has the least sunshine of the year in Arnco Mills, Georgia, with an average of 5.1h of sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 5.1h.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the UV index reading in December?

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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
Arnco Mills, GA

Average temperature in December - Arnco Mills, GA
  • Average high temperature in December: 55.2°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 (51.8°F).

  • Average low temperature in December: 40.5°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).

Average pressure in December
Arnco Mills, GA

Average pressure in December - Arnco Mills, 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 (29.98"Hg).

Average wind speed in December
Arnco Mills, GA

Average wind speed in December - Arnco Mills, GA
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in December
Arnco Mills, GA

Average humidity in December - Arnco Mills, GA
  • Average humidity in December: 78%

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

Average rainfall in December
Arnco Mills, GA

Average rainfall in December - Arnco Mills, GA
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days in December
Arnco Mills, GA

Average rainfall days in December - Arnco Mills, GA
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is October (5.2 days).

Average snowfall in December
Arnco Mills, GA

Average snowfall in December - Arnco Mills, GA
  • Average snowfall in December: 0"

The months with the highest snowfall are January and March (0.04").
The months with the least snowfall are February, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Arnco Mills, GA

Average snowfall days in December - Arnco Mills, GA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (0.6 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
Arnco Mills, GA

Average daylight in December / Average sunshine in December - Arnco Mills, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in December
Arnco Mills, GA

Average sunshine days in December - Arnco Mills, GA
  • Average sunshine days in December: 20.6 days

The month with the most sunshine days is October (24.3 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in December
Arnco Mills, GA

Average UV index in December - Arnco Mills, GA
  • Average UV index in December: 3

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Arnco Mills, GA

Average cloud cover in December - Arnco Mills, GA
  • Average cloud cover in December: 46

The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are June, September and October (Cloud cover 31).

Average visibility in December
Arnco Mills, GA

Average visibility in December - Arnco Mills, GA
  • Average visibility in December: 6mi

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

Arnco Mills, Georgia, USA

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