December weather forecastJacksonville, GA
December
Weather in December
The first month of the winter, December, is also a moderate month in Jacksonville, Georgia, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 60.4°F (15.8°C).Temperature
The commencement of December indicates a gentle shift in the average high-temperature, receding from November's refreshing 66.6°F (19.2°C) to a moderate 60.4°F (15.8°C). In December, Jacksonville experiences a temperature dip to an average of 45.5°F (7.5°C) at night.Humidity
August and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In Jacksonville, Georgia, in December, during 8.8 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. In Jacksonville, during the entire year, the rain falls for 134.5 days and collects up to 14.61" (371mm) of precipitation.Snowfall
In Jacksonville, snow does not fall in March through December.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:14 am and sunset at 5:27 pm. On the last day of December, in Jacksonville, sunrise is at 7:31 am and sunset at 5:38 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 3 in December translates into this advice:
Heed the precautions - It is counselled to guard against solar damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jacksonville, GA
- Average high temperature in December: 60.4°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (57.4°F).
- Average low temperature in December: 45.5°F
The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in December
Jacksonville, GA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Jacksonville, GA
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Jacksonville, GA
- Average humidity in December: 77%
The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are January, October and November (72%).
Average rainfall in December
Jacksonville, GA
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in December
Jacksonville, GA
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (5.5 days).
Average snowfall in December
Jacksonville, GA
- Average snowfall in December: 0"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Jacksonville, GA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Jacksonville, GA
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Jacksonville, GA
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in December
Jacksonville, GA
- Average UV index in December: 3
The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Jacksonville, GA
- Average cloud cover in December: 41
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Jacksonville, 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).
