Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Barretts Mill experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a comfortable 61.3°F (16.3°C) in November to a cool 54.5°F (12.5°C). During December, an average low-temperature of 39.7°F (4.3°C) is observed.Humidity
December is the most humid month, with an average relative humidity of 77%.Rainfall
December is the month with the most rainfall. Rain falls for 13.3 days and accumulates 3.86" (98mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.2" (5mm) of snow. In Barretts Mill, during the entire year, snow falls for 2.9 days and aggregates up to 1.46" (37mm) 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 in Barretts Mill, sunrise is at 7:21 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:34 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.1h 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 low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in Barretts Mill in December?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Barretts Mill have in December?
When are sunrise and sunset in December in Barretts Mill?
What is the month with the least sunshine in Barretts Mill?
How many hours of sunshine does Barretts Mill have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Barretts Mill, GA
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (51.1°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in December
Barretts Mill, GA
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Barretts Mill, GA
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Barretts Mill, GA
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July, October and November (72%).
Average rainfall in December
Barretts Mill, GA
- Average rainfall in December: 3.86"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Barretts Mill, GA
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is August (17.7 days).
The months with the least rainy days are October and November (9.4 days).
Average snowfall in December
Barretts Mill, GA
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Barretts Mill, GA
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Barretts Mill, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Barretts Mill, GA
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in December
Barretts Mill, 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
Barretts Mill, GA
- Average cloud cover in December: 44
The months with the most cloud cover are February and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Barretts Mill, GA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Barretts Mill, Georgia, USA
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