December weather forecastAltamaha, GA
December
Weather in December
The first month of the winter, December, is still a refreshing month in Altamaha, Georgia, with an average temperature fluctuating between 60.4°F (15.8°C) and 45.3°F (7.4°C).Temperature
With the onset of December, Altamaha's average high-temperature slightly adjusts, moderately receding from November's 66.6°F (19.2°C) to a still refreshing 60.4°F (15.8°C). In Altamaha, an average temperature of 45.3°F (7.4°C) is noted during December nights.Humidity
In December, the average relative humidity is 76%.Rainfall
In Altamaha, in December, it is raining for 11.2 days, with typically 3.15" (80mm) of accumulated precipitation. Throughout the year, there are 176.6 rainfall days, and 34.25" (870mm) of precipitation is accumulated.Snowfall
In Altamaha, snow does not fall in February 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 December, sunrise is at 7:11 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:35 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.3h of sunshine.UV index
The average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a regular UV index of 4 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Altamaha, GA
- Average high temperature in December: 60.4°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (57.4°F).
- Average low temperature in December: 45.3°F
The months with the highest average low temperature are July and August (73.4°F).
The coldest month (with the lowest average low temperature) is January (40.8°F).
Average pressure in December
Altamaha, GA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Altamaha, GA
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Altamaha, GA
- Average humidity in December: 76%
The month with the highest relative humidity is August (77%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in December
Altamaha, GA
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in December
Altamaha, GA
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in December
Altamaha, GA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Altamaha, GA
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Altamaha, 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 18min
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 18min).
Average sunshine days in December
Altamaha, GA
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is August (5.4 days).
Average UV index in December
Altamaha, GA
- Average UV index in December: 4
The months with the highest UV index are May, June and July (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Altamaha, GA
- Average cloud cover in December: 42
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Altamaha, 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).
