December weather forecastOld Marco Junction, FL
December
Weather in December
The first month of the winter, December, is also a moderately hot month in Old Marco Junction, Florida, with an average temperature fluctuating between 74.8°F (23.8°C) and 64.4°F (18°C).Temperature
The onset of December marks an average high-temperature of a still moderately hot 74.8°F (23.8°C), hardly differing from November's 78.4°F (25.8°C). Throughout December, the temperature falls to an average low of 64.4°F (18°C).Humidity
The most humid month in Old Marco Junction is December, with an average relative humidity of 76%.Rainfall
In Old Marco Junction, in December, during 7.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, in Old Marco Junction, there are 162.1 rainfall days, and 21.69" (551mm) of precipitation is accumulated.Daylight
The month with the shortest days in Old Marco Junction, Florida, is December, with an average of 10h and 30min of daylight.On the first day of December, sunrise is at 6:57 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:46 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 6.7h of sunshine.UV index
In Old Marco Junction, Florida, the average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 6 during December translates into the following directions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Old Marco Junction, FL
- Average high temperature in December: 74.8°F
The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is January (71.6°F).
- Average low temperature in December: 64.4°F
The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).
Average pressure in December
Old Marco Junction, FL
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.94"Hg).
Average wind speed in December
Old Marco Junction, FL
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is November (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in December
Old Marco Junction, FL
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is March (72%).
Average rainfall in December
Old Marco Junction, FL
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is March (0.63").
Average rainfall days in December
Old Marco Junction, FL
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (7 days).
Average daylight in December /
Average sunshine in December
Old Marco Junction, FL
- Average daylight in December: 10h and 30min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 6h and 42min
The months with the most sunshine are May and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Old Marco Junction, FL
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is August (6.8 days).
Average UV index in December
Old Marco Junction, FL
- Average UV index in December: 6
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 and February (UV index 5).
Average cloud cover in December
Old Marco Junction, FL
- Average cloud cover in December: 27
The month with the most cloud cover is January (Cloud cover 28).
The months with the least cloud cover are March and April (Cloud cover 22).
Average visibility in December
Old Marco Junction, 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).





