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
The arrival of December signals a subtle shift in temperature, down from a comfortable 60.8°F (16°C) in November to a cool 53.4°F (11.9°C). An average low-temperature of 39°F (3.9°C) is expected in Jefferson during December.Humidity
The most humid month in Jefferson, Georgia, is December, with an average relative humidity of 78%.Rainfall
In Jefferson, during December, the rain falls for 13 days and regularly aggregates up to 3.94" (100mm) of precipitation. In Jefferson, during the entire year, the rain falls for 176 days and collects up to 40.12" (1019mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Jefferson. In December, in Jefferson, it is snowing for 0.5 days. Throughout December, 0.16" (4mm) of snow is accumulated. In Jefferson, during the entire year, snow falls for 3.3 days and aggregates up to 1.69" (43mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:22 am and sunset at 5:24 pm. On the last day of December, in Jefferson, sunrise is at 7:39 am and sunset at 5:35 pm EST.
Sunshine
December has the least sunshine of the year in Jefferson, with an average of 5.1h of sunshine.UV index
The months with the lowest UV index in Jefferson are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What are the temperatures in Jefferson in December?
What is the most humid month in Jefferson?
What is the average humidity in December in Jefferson?
How much does it rain in Jefferson in December?
How many days does it snow in December in Jefferson?
What is the month with the shortest days in Jefferson?
How many hours of daylight does Jefferson have in December?
What time are sunrise and sunset in December in Jefferson?
What is the month with the least sunshine in Jefferson?
How many hours of sunshine does Jefferson have in December?
When is the lowest UV index in Jefferson?
How high is the UV index in December in Jefferson?
Average temperature in December
Jefferson, GA
- Average high temperature in December: 53.4°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (49.8°F).
- Average low temperature in December: 39°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in December
Jefferson, 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
Jefferson, GA
- Average wind speed in December: 6.7mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Jefferson, GA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are July and October (72%).
Average rainfall in December
Jefferson, GA
- Average rainfall in December: 3.94"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in December
Jefferson, GA
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is October (9.8 days).
Average snowfall in December
Jefferson, GA
- Average snowfall in December: 0.16"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Jefferson, GA
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.2 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
Jefferson, 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
Jefferson, GA
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in December
Jefferson, 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
Jefferson, 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 29).
Average visibility in December
Jefferson, 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).
Jefferson, Georgia, USA
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