December weather forecastYorktown, GA
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 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 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: 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: 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: 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: 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).
