December weather forecastFernandina Beach, FL
December
Weather in December
December, the first month of the winter in Fernandina Beach, is still a comfortable month, with an average temperature varying between 66.2°F (19°C) and 54.1°F (12.3°C).Temperature
The weather during December records an average high-temperature of a refreshing 66.2°F (19°C), closely mirroring the preceding month. Nighttime temperatures consistently average a fresh 54.1°F (12.3°C) during December.Humidity
With an average relative humidity of 77%, December is the most humid month in Fernandina Beach.Rainfall
In Fernandina Beach, Florida, in December, it is raining for 11.9 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, in Fernandina Beach, Florida, there are 185.3 rainfall days, and 35.87" (911mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall in Fernandina Beach.Ocean temperature
In Fernandina Beach, Florida, in December, the average water temperature is 63.5°F (17.5°C).Note: Swimming in 63.5°F (17.5°C) does not offer a pleasant experience for most individuals. The act of controlling one's breathing becomes progressively difficult as the water temperature goes under 69.8°F (21°C).
Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year in Fernandina Beach.On the first day of the month, sunrise is at 7:06 am and sunset at 5:24 pm. On the last day of December, in Fernandina Beach, sunrise is at 7:23 am and sunset at 5:35 pm EST.
Sunshine
The months with the least sunshine in Fernandina Beach are January and December, with an average of 5.8h of sunshine.UV index
The months with the lowest UV index in Fernandina Beach are January and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 4 during December, leads to the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fernandina Beach, FL
- Average high temperature in December: 66.2°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (62.1°F).
- Average low temperature in December: 54.1°F
The month with the highest average low temperature is August (77.7°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).
Average pressure in December
Fernandina Beach, FL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in December
Fernandina Beach, FL
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Fernandina Beach, FL
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Fernandina Beach, FL
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is August (5.87").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in December
Fernandina Beach, FL
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is August (25.6 days).
The month with the least rainy days is January (9.6 days).
Average snowfall days in December
Fernandina Beach, FL
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in December
Fernandina Beach, FL
- Average sea temperature in December: 63.4°F
The best month for swimming (with the highest average sea temperature) is August (83°F).
The coldest month (with the lowest average sea temperature) is February (58.3°F).
Average daylight in December /
Average sunshine in December
Fernandina Beach, FL
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in December
Fernandina Beach, FL
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is January (19.2 days).
The month with the least sunshine days is August (3.8 days).
Average UV index in December
Fernandina Beach, FL
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in December
Fernandina Beach, FL
- Average cloud cover in December: 39
The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is May (Cloud cover 27).
Average visibility in December
Fernandina 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).
