December weather forecastCharlotte Harbor, FL
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 10h and 30min
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 30min
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: 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: 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: 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: 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).
