December weather forecast
Charlotte Harbor, FL

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Weather in December

The first month of the winter, December, is also a moderately hot month in Charlotte Harbor, Florida, with temperature in the range of an average low of 59.7°F (15.4°C) and an average high of 74.3°F (23.5°C).

Temperature

Charlotte Harbor observes a minor difference in average high-temperatures between November's 77.9°F (25.5°C) and December's 74.3°F (23.5°C). Charlotte Harbor observes an average low-temperature of 59.7°F (15.4°C) during December nights.

Humidity

In December, the average relative humidity is 77%.

Rainfall

In Charlotte Harbor, during December, the rain falls for 8.6 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, in Charlotte Harbor, there are 176 rainfall days, and 26.26" (667mm) of precipitation is accumulated.

Ocean temperature

In Charlotte Harbor, the average seawater temperature in December is 70.2°F (21.2°C).
Note: A majority do not enjoy swimming in water at 70.2°F (21.2°C). The difficulty in controlling breathing increases progressively as the temperature dips below 69.8°F (21°C).

Daylight

December has the shortest days of the year, with an average of 10h and 30min of daylight.
On the first day of December, sunrise is at 7:00 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:45 pm EST.

Sunshine

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

UV index

January, February, November and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 during December translates into the following directions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Attention! The combination of sand and water reflections enhances UV ray intensity.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

In December, the average high-temperature and low-temperature are 74.3°F (23.5°C) and 59.7°F (15.4°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in October is estimated at 93.2°F (34°C).

What is the average humidity in December?

In Charlotte Harbor, the average relative humidity in December is 77%.

How much does it rain in December?

In Charlotte Harbor, in December, it is raining for 8.6 days, with typically 1.18" (30mm) of accumulated precipitation.

What is the ocean temperature in December?

In Charlotte Harbor, Florida, in December, the average water temperature is 70.2°F (21.2°C). Swimming in 70.2°F (21.2°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 30min of daylight.

How many hours of daylight does Charlotte Harbor have in December?

In December, the average day length is 10h and 29min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:00 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:45 pm EST.

What is the month with the least sunshine?

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

How many hours of sunshine does Charlotte Harbor have in December?

In December, the average sunshine duration in Charlotte Harbor is 6.5h.

When is the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 5.

What is the UV index intensity in December?

The average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.

Average temperature in December
Charlotte Harbor, FL

Average temperature in December - Charlotte Harbor, FL
  • Average high temperature in December: 74.3°F

The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (70.5°F).

  • Average low temperature in December: 59.7°F

The month with the highest average low temperature is August (78.3°F).
The coldest month (with the lowest average low temperature) is January (54.7°F).

Average pressure in December
Charlotte Harbor, FL

Average pressure in December - Charlotte Harbor, FL
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).

Average wind speed in December
Charlotte Harbor, FL

Average wind speed in December - Charlotte Harbor, FL
  • Average wind speed in December: 7.5mph

The windiest months (with the highest average wind speed) are January and March (7.8mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).

Average humidity in December
Charlotte Harbor, FL

Average humidity in December - Charlotte Harbor, FL
  • Average humidity in December: 77%

The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is March (70%).

Average rainfall in December
Charlotte Harbor, FL

Average rainfall in December - Charlotte Harbor, FL
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is August (5.04").
The driest month (with the least rainfall) is February (0.63").

Average rainfall days in December
Charlotte Harbor, FL

Average rainfall days in December - Charlotte Harbor, FL
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is August (25.6 days).
The month with the least rainy days is February (7.1 days).

Average sea temperature in December
Charlotte Harbor, FL

Average sea temperature in December - Charlotte Harbor, FL
  • Average sea temperature in December: 70.2°F

The best month for swimming (with the highest average sea temperature) is August (87°F).
The coldest month (with the lowest average sea temperature) is January (65.3°F).

Average daylight in December /
Average sunshine in December
Charlotte Harbor, FL

Average daylight in December / Average sunshine in December - Charlotte Harbor, FL
  • Average daylight in December: 10h and 3min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in December: 6h and 3min

The months with the most sunshine are May and July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in December
Charlotte Harbor, FL

Average sunshine days in December - Charlotte Harbor, FL
  • Average sunshine days in December: 18.8 days

The month with the most sunshine days is January (22 days).
The month with the least sunshine days is August (3.8 days).

Average UV index in December
Charlotte Harbor, FL

Average UV index in December - Charlotte Harbor, 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 months with the lowest UV index are January, February, November and December (UV index 5).

Average cloud cover in December
Charlotte Harbor, FL

Average cloud cover in December - Charlotte Harbor, FL
  • Average cloud cover in December: 30

The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is May (Cloud cover 24).

Average visibility in December
Charlotte Harbor, FL

Average visibility in December - Charlotte Harbor, 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).

Charlotte Harbor, Florida, USA

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