December weather forecastCedar Key, FL
December
Weather in December
The first month of the winter, December, is also an agreeable month in Cedar Key, Florida, with an average temperature varying between 68°F (20°C) and 52.3°F (11.3°C).Temperature
December's climate shows a minor adjustment in average high-temperatures to a still agreeable 68°F (20°C) from November's 72.7°F (22.6°C). The average temperature drops to a fresh 52.3°F (11.3°C) during the night in the month of December.Humidity
In Cedar Key, the average relative humidity in December is 76%.Rainfall
In Cedar Key, in December, it is raining for 7.9 days, with typically 1.81" (46mm) of accumulated precipitation. In Cedar Key, during the entire year, the rain falls for 154 days and collects up to 21.69" (551mm) of precipitation.Snowfall
December is the only month when snow falls. December has the most snowfall days of the year. Snow falls for 0.1 days.Ocean temperature
In December, the average ocean temperature is 62.4°F (16.9°C).Note: For most, swimming in 62.4°F (16.9°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).
Daylight
With an average of 10h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:09 am and sunset at 5:33 pm. On the last day of December, sunrise is at 7:25 am and sunset at 5:45 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 6h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 4 during December translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. To protect against the Sun's most potent rays, avoid direct exposure around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cedar Key, FL
- Average high temperature in December: 68°F
The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is January (64°F).
- Average low temperature in December: 52.3°F
The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).
Average pressure in December
Cedar Key, FL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in December
Cedar Key, FL
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Cedar Key, FL
- Average humidity in December: 76%
The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is January (71%).
Average rainfall in December
Cedar Key, FL
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is November (0.83").
Average rainfall days in December
Cedar Key, FL
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is November (6.6 days).
Average snowfall days in December
Cedar Key, FL
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Cedar Key, FL
- Average sea temperature in December: 62.5°F
The best month for swimming (with the highest average sea temperature) is August (86.4°F).
The coldest month (with the lowest average sea temperature) is January (58.4°F).
Average daylight in December /
Average sunshine in December
Cedar Key, FL
- Average daylight in December: 10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Cedar Key, FL
- Average sunshine days in December: 21.2 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in December
Cedar Key, 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
Cedar Key, FL
- Average cloud cover in December: 36
The months with the most cloud cover are February and December (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 25).
Average visibility in December
Cedar Key, 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).





