December weather forecastAtlantic Beach, SC
December
Weather in December
The first month of the winter, December, is still a mild month in Atlantic Beach, South Carolina, with temperature in the range of an average high of 58.5°F (14.7°C) and an average low of 46.6°F (8.1°C).Temperature
Atlantic Beach experiences a transition to a moderate 58.5°F (14.7°C) in average high-temperatures with the arrival of December, not greatly differing from November's 63.7°F (17.6°C). Atlantic Beach, in December, witnesses an average low-temperature of 46.6°F (8.1°C).Humidity
May, June, August and December, with an average relative humidity of 78%, are the most humid months.Rainfall
In December, the rain falls for 7.6 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Atlantic Beach, during the entire year, the rain falls for 115.4 days and collects up to 10.75" (273mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, there are 0.3 snowfall days. In Atlantic Beach, during the entire year, snow falls for 1.1 days.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Atlantic Beach.On the first day of December, sunrise is at 7:02 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:16 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.6h of sunshine.UV index
The average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 4 suggests this advice:
Take precautions - Protection against sunburn is recommended. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Atlantic Beach, SC
- Average high temperature in December: 58.5°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in December: 46.6°F
The month with the highest average low temperature is July (75.9°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in December
Atlantic Beach, SC
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Atlantic Beach, SC
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in December
Atlantic Beach, SC
- Average humidity in December: 78%
The months with the highest relative humidity are May, June, August and December (78%).
The month with the lowest relative humidity is January (74%).
Average rainfall in December
Atlantic Beach, SC
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is August (1.81").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in December
Atlantic Beach, SC
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is August (16 days).
The month with the least rainy days is January (6.3 days).
Average snowfall days in December
Atlantic Beach, SC
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.4 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
Atlantic Beach, SC
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in December
Atlantic Beach, SC
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is August (10.8 days).
Average UV index in December
Atlantic Beach, SC
- Average UV index in December: 4
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Atlantic Beach, SC
- 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 June (Cloud cover 25).
Average visibility in December
Atlantic Beach, SC
- 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).
