December weather forecast
Key Colony Beach, FL

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Weather in December

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

Temperature

The average high-temperature during December registers at a still moderately hot 75.6°F (24.2°C), maintaining a close resemblance to the previous month. In Key Colony Beach, December nights experience a modest descent in temperature from daily peaks, cooling down to an average of 71.4°F (21.9°C).

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 77%.

Rainfall

In December, the rain falls for 12.5 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. Throughout the year, there are 186.2 rainfall days, and 24.45" (621mm) of precipitation is accumulated.

Daylight

The month with the shortest days in Key Colony Beach is December, with an average of 10h and 36min of daylight.
On the first day of December, sunrise is at 6:52 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:46 pm EST.

Sunshine

December has the least sunshine of the year in Key Colony Beach, with an average of 6.6h of sunshine.

UV index

The average daily maximum UV index in December in Key Colony Beach is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high UV index of 6 in December translates into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

The average high-temperature, in December, in Key Colony Beach, is 75.6°F (24.2°C), while the average low-temperature is 71.4°F (21.9°C). In October, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 87.8°F (31°C).

What are the most humid months?

The months with the highest humidity are February and December, with an average relative humidity of 77%.

What is the average humidity in December?

The average relative humidity in December is 77%.

How much does it rain in December?

In Key Colony Beach, during December, the rain falls for 12.5 days and regularly aggregates up to 1.06" (27mm) of precipitation.

What is the month with the shortest days?

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

How many hours of daylight does Key Colony Beach have in December?

In December, the average day length is 10h and 38min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:52 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:46 pm EST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 6.6h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 6.6h.

What is the UV index intensity in December?

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

Average temperature in December
Key Colony Beach, FL

Average temperature in December - Key Colony Beach, 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).

Average pressure in December
Key Colony Beach, FL

Average pressure in December - Key Colony Beach, 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).

Average wind speed in December
Key Colony Beach, FL

Average wind speed in December - Key Colony Beach, 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).

Average humidity in December
Key Colony Beach, FL

Average humidity in December - Key Colony Beach, 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%).

Average rainfall in December
Key Colony Beach, FL

Average rainfall in December - Key Colony Beach, 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").

Average rainfall days in December
Key Colony Beach, FL

Average rainfall days in December - Key Colony Beach, 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).

Average daylight in December /
Average sunshine in December
Key Colony Beach, FL

Average daylight in December / Average sunshine in December - Key Colony Beach, 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).

Average sunshine days in December
Key Colony Beach, FL

Average sunshine days in December - Key Colony Beach, 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).

Average UV index in December
Key Colony Beach, FL

Average UV index in December - Key Colony Beach, 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).

Average cloud cover in December
Key Colony Beach, FL

Average cloud cover in December - Key Colony Beach, 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).

Average visibility in December
Key Colony Beach, FL

Average visibility in December - Key Colony 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).

Key Colony Beach, Florida, USA

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