December weather forecast
Atlantic Beach, FL

Weather in December

December, the first month of the winter in Atlantic Beach, is also an enjoyable month, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 67.1°F (19.5°C).

Temperature

In December, the average high-temperature is essentially the same as in November - a comfortable 67.1°F (19.5°C). The average low-temperature, in December, is 55.4°F (13°C).

Humidity

August and December, with an average relative humidity of 76%, are the most humid months.

Rainfall

In Atlantic Beach, during 11.9 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, in Atlantic Beach, there are 185.5 rainfall days, and 31.54" (801mm) of precipitation is accumulated.

Snowfall

January and December are months with snowfall. The months with the most snowfall days are January and December, with an average of 0.1 snowfall days.

Ocean temperature

In Atlantic Beach, the average seawater temperature in December is 73.4°F (23°C).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 73.4°F (23°C) water. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

With an average of 10h and 14min of daylight, December has the shortest days of the year.
On the first day of December in Atlantic Beach, sunrise is at 7:04 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:21 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 in Atlantic Beach.

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 radiation for the ordinary person.
Note: In December, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the most humid month in Atlantic Beach?

The months with the highest humidity are August and December, with an average relative humidity of 76%.

What is the average humidity in December in Atlantic Beach?

In Atlantic Beach, Florida, the average relative humidity in December is 76%.

How many days does it rain in December in Atlantic Beach?

In December, in Atlantic Beach, the rain falls for 11.9 days. Throughout December, 1.93" (49mm) of precipitation is accumulated.

What is the snowiest month in Atlantic Beach?

The months with the most snowfall days are January and December, with an average of 0.1 snowfall days.

When does it start snowing in Atlantic Beach?

December is the first month it typically snows in Atlantic Beach, Florida. Throughout December, there are 0.1 snowfall days.

What is the water temperature in December in Atlantic Beach?

In Atlantic Beach, in December, the average water temperature is 73.4°F (23°C). 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).

What is the month with the shortest days in Atlantic Beach?

The month with the shortest days in Atlantic Beach, Florida, is December, with an average of 10h and 14min of daylight.

How many hours of daylight does Atlantic Beach have in December?

In Atlantic Beach, Florida, the average day length in December is 10h and 14min.

When are sunrise and sunset in December in Atlantic Beach?

On the first day of December in Atlantic Beach, Florida, sunrise is at 7:04 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:35 pm EST.

What is the month with the least sunshine in Atlantic Beach?

January and December, with an average of 5.9h of sunshine, are months with the least sunshine in Atlantic Beach, Florida.

How long on average sun shines in December in Atlantic Beach?

In December, the average sunshine duration is 5.9h.

When is the lowest UV index in Atlantic Beach?

The months with the lowest UV index in Atlantic Beach, Florida, are January and December, with an average maximum UV index of 4.

What is the UV index reading in December in Atlantic Beach?

In December, the average daily maximum UV index in Atlantic Beach, Florida, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.

Average temperature in December
Atlantic Beach, FL

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).

[Resources]

Average pressure in December
Atlantic Beach, FL

Average pressure in December - Atlantic Beach, FL
  • Average pressure in December: 30.12"

The month with the highest atmospheric pressure is January (30.14").
The months with the lowest atmospheric pressure are August and September (29.98").

[Resources]

Average wind speed in December
Atlantic Beach, FL

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).

[Resources]

Average humidity in December
Atlantic Beach, FL

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%).

[Resources]

Average rainfall in December
Atlantic Beach, FL

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").

[Resources]

Average rainfall days in December
Atlantic Beach, FL

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).

[Resources]

Average snowfall days in December
Atlantic Beach, FL

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).

[Resources]

Average sea temperature in December
Atlantic Beach, FL

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).

[Resources]

Average daylight in December /
Average sunshine in December
Atlantic Beach, FL

Average daylight in December / Average sunshine in December - Atlantic Beach, FL
  • Average daylight in December: 10h and 14min

The month with the longest days is June (Average daylight: 14h and 4min).
The month with the shortest days is December (Average daylight: 10h and 14min).

  • Average sunshine in December: 5.9h

The month with the most sunshine is July (Average sunshine: 11h).
The months with the least sunshine are January and December (Average sunshine: 5.9).

[Resources]

Average sunshine days in December
Atlantic Beach, FL

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).

[Resources]

Average UV index in December
Atlantic Beach, FL

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).

[Resources]

Average cloud cover in December
Atlantic Beach, FL

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).

[Resources]

Average visibility in December
Atlantic Beach, FL

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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location