December weather forecast
Belleair Bluffs, FL

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Weather in December

December, the first month of the winter in Belleair Bluffs, is still a pleasant month, with an average temperature fluctuating between 70.3°F (21.3°C) and 60.6°F (15.9°C).

Temperature

Welcoming December, Belleair Bluffs notes an average high-temperature of a pleasant 70.3°F (21.3°C), nearly consistent with November's 74.3°F (23.5°C). In the month of December, the nighttime temperature in Belleair Bluffs dips to a steady average of 60.6°F (15.9°C).

Humidity

December is the most humid month in Belleair Bluffs, with an average relative humidity of 77%.

Rainfall

In Belleair Bluffs, in December, during 7.4 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Belleair Bluffs, Florida, during the entire year, the rain falls for 149.9 days and collects up to 16.18" (411mm) of precipitation.

Ocean temperature

In Belleair Bluffs, in December, the average water temperature is 68.5°F (20.3°C).
Note: Swimming is not an enjoyable activity for the majority when the water is at 68.5°F (20.3°C). The difficulty of controlling breathing increases as the temperature dips from 69.8°F (21°C) to 59°F (15°C).

Daylight

The month with the shortest days is December, with an average of 10h and 24min of daylight.
On the first day of December, sunrise is at 7:05 am and sunset at 5:35 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:46 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 6.5h of sunshine.

UV index

The average daily maximum UV index in December is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 5 during December leads to these advisories:
Guard yourself - Avoiding sunburn is suggested. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

What is the average December temperature in Belleair Bluffs?

The high-temperature in Belleair Bluffs, Florida, during December is 70.3°F (21.3°C) and the low-temperature is 60.6°F (15.9°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in October is calculated to be 86°F (30°C).

What is the most humid month in Belleair Bluffs?

December is the most humid month in Belleair Bluffs, with an average relative humidity of 77%.

What is the average humidity in December in Belleair Bluffs?

In December, the average relative humidity in Belleair Bluffs is 77%.

How much does it rain in Belleair Bluffs in December?

In Belleair Bluffs, Florida, in December, during 7.4 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

What is the ocean temperature in December in Belleair Bluffs?

In December, the average ocean temperature in Belleair Bluffs, Florida, is 68.5°F (20.3°C). For most, swimming in 68.5°F (20.3°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

What is the month with the shortest days in Belleair Bluffs?

December has the shortest days of the year, with an average of 10h and 24min of daylight.

What is the average length of the day in December in Belleair Bluffs?

In December, the average day length in Belleair Bluffs is 10h and 25min.

When is the sunrise / sunset in December in Belleair Bluffs?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 5:35 pm. On the last day of the month, in Belleair Bluffs, sunrise is at 7:22 am and sunset at 5:46 pm EST.

What is the month with the least sunshine in Belleair Bluffs?

December has the least sunshine of the year in Belleair Bluffs, with an average of 6.5h of sunshine.

How long on average sun shines in December in Belleair Bluffs?

In December, the average sunshine duration in Belleair Bluffs is 6.5h.

How high is the UV index in December in Belleair Bluffs?

In Belleair Bluffs, the average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Belleair Bluffs, FL

Average temperature in December - Belleair Bluffs, FL
  • Average high temperature in December: 70.3°F

The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (65.8°F).

  • Average low temperature in December: 60.6°F

The month with the highest average low temperature is August (80.6°F).
The coldest month (with the lowest average low temperature) is January (55.9°F).

Average pressure in December
Belleair Bluffs, FL

Average pressure in December - Belleair Bluffs, FL
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

Average wind speed in December
Belleair Bluffs, FL

Average wind speed in December - Belleair Bluffs, FL
  • Average wind speed in December: 9.4mph

The windiest months (with the highest average wind speed) are January and March (9.8mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in December
Belleair Bluffs, FL

Average humidity in December - Belleair Bluffs, FL
  • Average humidity in December: 77%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Belleair Bluffs, FL

Average rainfall in December - Belleair Bluffs, FL
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is March (0.39").

Average rainfall days in December
Belleair Bluffs, FL

Average rainfall days in December - Belleair Bluffs, FL
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is February (6.7 days).

Average sea temperature in December
Belleair Bluffs, FL

Average sea temperature in December - Belleair Bluffs, FL
  • Average sea temperature in December: 68.6°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64°F).

Average daylight in December /
Average sunshine in December
Belleair Bluffs, FL

Average daylight in December / Average sunshine in December - Belleair Bluffs, FL
  • Average daylight in December: 10h and 2min

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in December: 6h and 3min

The month with the most sunshine is May (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in December
Belleair Bluffs, FL

Average sunshine days in December - Belleair Bluffs, FL
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is August (5 days).

Average UV index in December
Belleair Bluffs, FL

Average UV index in December - Belleair Bluffs, FL
  • Average UV index in December: 5

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

Average cloud cover in December
Belleair Bluffs, FL

Average cloud cover in December - Belleair Bluffs, FL
  • Average cloud cover in December: 30

The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 20).

Average visibility in December
Belleair Bluffs, FL

Average visibility in December - Belleair Bluffs, 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).

Belleair Bluffs, Florida, USA

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