December weather forecast
Yorktown, GA

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Weather in December

December, the first month of the winter in Yorktown, is still a cool month, with temperature in the range of an average high of 53.6°F (12°C) and an average low of 39.2°F (4°C).

Temperature

The transition to December results in a modest reduction in average high-temperature, moving from a comfortable 60.8°F (16°C) in November to a cool 53.6°F (12°C). December witnesses an average nighttime temperature of 39.2°F (4°C).

Humidity

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

Rainfall

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

Snowfall

Months with snowfall in Yorktown are January through March, November and December. In Yorktown, during December, snow falls for 0.5 days and regularly aggregates up to 0.2" (5mm) of snow. In Yorktown, during the entire year, snow falls for 3.6 days and aggregates up to 1.89" (48mm) of snow.

Daylight

December has the shortest days of the year in Yorktown, 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 5:27 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:37 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5h 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 vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Yorktown in December?

In December, in Yorktown, the average high-temperature is 53.6°F (12°C), and the average low-temperature is 39.2°F (4°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is appraised at 89.6°F (32°C).

What is the most humid month in Yorktown?

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

What is the average humidity in December?

In Yorktown, the average relative humidity in December is 77%.

How many days does it rain in December?

In December, the rain falls for 12.7 days. Throughout December, 3.74" (95mm) of precipitation is accumulated.

How many days does it snow in December?

In Yorktown, in December, snow falls for 0.5 days, with typically accumulated 0.2" (5mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Yorktown have in December?

In Yorktown, the average day length in December is 9h and 56min.

When are sunrise and sunset in December?

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.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5h of sunshine.

How long on average sun shines in December?

In Yorktown, Georgia, the average sunshine duration in December is 5h.

What is the month with 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?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Yorktown, GA

Average temperature in December - Yorktown, 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
Yorktown, GA

Average pressure in December - Yorktown, 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
Yorktown, GA

Average wind speed in December - Yorktown, 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
Yorktown, GA

Average humidity in December - Yorktown, 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
Yorktown, GA

Average rainfall in December - Yorktown, 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
Yorktown, GA

Average rainfall days in December - Yorktown, 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
Yorktown, GA

Average snowfall in December - Yorktown, 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
Yorktown, GA

Average snowfall days in December - Yorktown, 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
Yorktown, GA

Average daylight in December / Average sunshine in December - Yorktown, 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
Yorktown, GA

Average sunshine days in December - Yorktown, 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
Yorktown, GA

Average UV index in December - Yorktown, 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
Yorktown, GA

Average cloud cover in December - Yorktown, 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
Yorktown, GA

Average visibility in December - Yorktown, 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).

Yorktown, Georgia, USA

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