December weather forecastWilmington Island, GA
December
Weather in December
The first month of the winter, December, is still a refreshing month in Wilmington Island, Georgia, with temperature in the range of an average low of 51.8°F (11°C) and an average high of 61.7°F (16.5°C).Temperature
Wilmington Island's December reports an average high-temperature of a still enjoyable 61.7°F (16.5°C), exhibiting a minor difference from November. Throughout December, Wilmington Island witnesses a nighttime temperature average of 51.8°F (11°C).Humidity
December is the most humid month, with an average relative humidity of 78%.Rainfall
In Wilmington Island, in December, it is raining for 11.7 days, with typically 3.58" (91mm) of accumulated precipitation. In Wilmington Island, during the entire year, the rain falls for 166.3 days and collects up to 36.89" (937mm) of precipitation.Snowfall
In Wilmington Island, snow does not fall in March through December.Daylight
The month with the shortest days is December, with an average of 10h and 6min of daylight.On the first day of December in Wilmington Island, sunrise is at 7:07 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:30 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
In December, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily UV index of 4 turns into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wilmington Island, GA
- Average high temperature in December: 61.7°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (57.7°F).
- Average low temperature in December: 51.8°F
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).
Average pressure in December
Wilmington Island, GA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Wilmington Island, GA
- Average wind speed in December: 10.1mph
The windiest months (with the highest average wind speed) are January and November (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in December
Wilmington Island, GA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January, March and October (73%).
Average rainfall in December
Wilmington Island, GA
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is August (6.02").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in December
Wilmington Island, GA
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is August (22.5 days).
The month with the least rainy days is November (8 days).
Average snowfall days in December
Wilmington Island, GA
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Wilmington Island, 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: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Wilmington Island, GA
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is August (6 days).
Average UV index in December
Wilmington Island, GA
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Wilmington Island, GA
- Average cloud cover in December: 40
The month with the most cloud cover is December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Wilmington Island, 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).





