December weather forecast
Big Pine Key, FL

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Weather in December

The first month of the winter, December, is still a warm month in Big Pine Key, Florida, with an average temperature fluctuating between 71.4°F (21.9°C) and 75.6°F (24.2°C).

Temperature

The advent of December reveals an average high-temperature of a still moderately hot 75.6°F (24.2°C), showing minimal difference from the prior month. With a barely noticeable fluctuation in temperature, Big Pine Key reaches an average low of 71.4°F (21.9°C) during the December nights.

Humidity

February and December, with an average relative humidity of 77%, are the most humid months in Big Pine Key.

Rainfall

In December, the rain falls for 12.5 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. In Big Pine Key, Florida, during the entire year, the rain falls for 186.2 days and collects up to 24.45" (621mm) of precipitation.

Daylight

With an average of 10h and 36min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:53 am and sunset at 5:36 pm. On the last day of December, sunrise is at 7:09 am and sunset at 5:47 pm EST.

Sunshine

With an average of 6.6h of sunshine, December has the least sunshine of the year in Big Pine Key.

UV index

The average daily maximum UV index in December in Big Pine Key, Florida, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high daily UV index of 6 during December translates into the following directions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What is the temperature in December in Big Pine Key?

An average high-temperature, in December, in Big Pine Key, is 75.6°F (24.2°C) and the average low-temperature is 71.4°F (21.9°C). In October, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 87.8°F (31°C).

What are the most humid months in Big Pine Key?

February and December, with an average relative humidity of 77%, are most humid months in Big Pine Key.

What is the average humidity in December in Big Pine Key?

In Big Pine Key, the average relative humidity in December is 77%.

How many days does it rain in December in Big Pine Key?

In Big Pine Key, in December, during 12.5 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

What is the month with the shortest days in Big Pine Key?

December has the shortest days of the year, with an average of 10h and 36min of daylight.

How many hours of daylight does Big Pine Key have in December?

In Big Pine Key, the average day length in December is 10h and 38min.

When are sunrise and sunset in December in Big Pine Key?

On the first day of December in Big Pine Key, sunrise is at 6:53 am and sunset at 5:36 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:47 pm EST.

What is the month with the least sunshine in Big Pine Key?

The month with the least sunshine in Big Pine Key, Florida, is December, with an average of 6.6h of sunshine.

How many hours of sunshine does Big Pine Key have in December?

In December, the average sunshine duration in Big Pine Key is 6.6h.

What is the UV index reading in December in Big Pine Key?

The average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in December
Big Pine Key, FL

Average temperature in December - Big Pine Key, FL
  • Average high temperature in December: 75.6°F

The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is January (72.9°F).

  • Average low temperature in December: 71.4°F

The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (67.5°F).

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Average pressure in December
Big Pine Key, FL

Average pressure in December - Big Pine Key, FL
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are September and October (29.94"Hg).

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Average wind speed in December
Big Pine Key, FL

Average wind speed in December - Big Pine Key, FL
  • Average wind speed in December: 12.9mph

The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (9mph).

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Average humidity in December
Big Pine Key, FL

Average humidity in December - Big Pine Key, FL
  • Average humidity in December: 77%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is March (73%).

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Average rainfall in December
Big Pine Key, FL

Average rainfall in December - Big Pine Key, FL
  • Average rainfall in December: 1.06"

The wettest month (with the highest rainfall) is September (4.21").
The driest month (with the least rainfall) is March (0.43").

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Average rainfall days in December
Big Pine Key, FL

Average rainfall days in December - Big Pine Key, FL
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is September (23 days).
The month with the least rainy days is February (10.3 days).

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Average daylight in December /
Average sunshine in December
Big Pine Key, FL

Average daylight in December / Average sunshine in December - Big Pine Key, FL
  • Average daylight in December: 10h and 4min

The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in December: 6h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in December
Big Pine Key, FL

Average sunshine days in December - Big Pine Key, FL
  • Average sunshine days in December: 13.8 days

The month with the most sunshine days is March (18 days).
The month with the least sunshine days is September (4.6 days).

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Average UV index in December
Big Pine Key, FL

Average UV index in December - Big Pine Key, FL
  • Average UV index in December: 6

The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).

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Average cloud cover in December
Big Pine Key, FL

Average cloud cover in December - Big Pine Key, FL
  • Average cloud cover in December: 31

The months with the most cloud cover are January and October (Cloud cover 32).
The month with the least cloud cover is April (Cloud cover 23).

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Average visibility in December
Big Pine Key, FL

Average visibility in December - Big Pine Key, 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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Big Pine Key, Florida, USA

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