December weather forecastAtlantic Beach, FL
December
Weather in December
December, the first month of the winter in Atlantic Beach, is also an enjoyable month, with an average temperature fluctuating between 67.1°F (19.5°C) and 55.4°F (13°C).Temperature
The beginning of December records an average high-temperature of an enjoyable 67.1°F (19.5°C), almost echoing the conditions of the previous month. Throughout December, Atlantic Beach witnesses a consistent average low-temperature of 55.4°F (13°C).Humidity
August and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In December, the rain falls for 11.9 days. Throughout December, 1.93" (49mm) of precipitation is accumulated. In Atlantic Beach, during the entire year, the rain falls for 185.5 days and collects up to 31.54" (801mm) of precipitation.Snowfall
Months with snowfall are January and December. The months with the most snowfall days are January and December, with an average of 0.1 snowfall days.Ocean temperature
In December, the average ocean temperature is 73.4°F (23°C).Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 73.4°F (23°C).
Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 7:05 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:35 pm EST.
Sunshine
January and December, with an average of 5.9h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, a daily UV index of 4 turns into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Boost your sun resistance with garments that are densely woven yet spacious. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Atlantic Beach, FL
- Average high temperature in December: 67.1°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (63.3°F).
- Average low temperature in December: 55.4°F
The months with the highest average low temperature are July and August (77.5°F).
The coldest month (with the lowest average low temperature) is January (50.4°F).
Average pressure in December
Atlantic Beach, FL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are August and September (29.98"Hg).
Average wind speed in December
Atlantic Beach, FL
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are January, March, April, October and November (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Atlantic Beach, FL
- Average humidity in December: 76%
The months with the highest relative humidity are August and December (76%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Atlantic Beach, FL
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is August (4.8").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in December
Atlantic Beach, FL
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is August (25.3 days).
The month with the least rainy days is February (9.8 days).
Average snowfall days in December
Atlantic Beach, FL
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Atlantic Beach, FL
- Average sea temperature in December: 73°F
The best month for swimming (with the highest average sea temperature) is August (84°F).
The coldest months (with the lowest average sea temperature) are January, February and March (70°F).
Average daylight in December /
Average sunshine in December
Atlantic Beach, FL
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 54min
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 54min).
Average sunshine days in December
Atlantic Beach, FL
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is January (18.8 days).
The month with the least sunshine days is August (4.2 days).
Average UV index in December
Atlantic Beach, FL
- Average UV index in December: 4
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in December
Atlantic Beach, FL
- Average cloud cover in December: 38
The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in December
Atlantic Beach, FL
- 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).
