December weather forecast
Atlantic Beach, FL

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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.
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Frequently asked questions

What is the average December temperature in Atlantic Beach?

Atlantic Beach in December has an average high-temperature of 67.1°F (19.5°C) and an average low-temperature of 55.4°F (13°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 96.8°F (36°C).

What is the most humid month in Atlantic Beach?

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

What is the average humidity in December in Atlantic Beach?

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

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

In Atlantic Beach, Florida, in December, it is raining for 11.9 days, with typically 1.93" (49mm) of accumulated precipitation.

When does it snow the most in Atlantic Beach?

The months with the most snowfall days in Atlantic Beach, Florida, 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. Throughout December, there are 0.1 snowfall days.

What is the water temperature in December in Atlantic Beach?

In December, the average ocean 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?

With an average of 10h and 12min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Atlantic Beach?

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

What time are sunrise and sunset in December in Atlantic Beach?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 5:24 pm. On the last day of the month, in Atlantic Beach, sunrise is at 7:22 am and sunset at 5:35 pm EST.

What are the months with the least sunshine in Atlantic Beach?

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

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

The average sunshine duration in December is 5.9h.

When is the lowest UV index in Atlantic Beach?

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

How high is the UV index in December in Atlantic Beach?

The average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

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Average pressure in December
Atlantic Beach, FL

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).

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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).

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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%).

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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").

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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).

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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).

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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).

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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 1min

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 5min

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).

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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).

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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).

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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).

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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).

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Atlantic Beach, Florida, USA

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