December weather forecast
Cedar Key, FL

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Weather in December

The first month of the winter, December, is still a pleasant month in Cedar Key, Florida, with an average temperature varying between 68°F (20°C) and 52.3°F (11.3°C).

Temperature

The advent of December brings an average high-temperature of a still agreeable 68°F (20°C), exhibiting minor difference from the previous month. Cedar Key observes an average low-temperature of 52.3°F (11.3°C) during December nights.

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. The month with the most snowfall days is December, when snow falls for 0.1 days.

Ocean temperature

In Cedar Key, in December, the average water temperature is 62.4°F (16.9°C).
Note: Most individuals do not find swimming at 62.4°F (16.9°C) to be enjoyable. As the water temperature declines below 69.8°F (21°C), maintaining control over one's breathing becomes harder.

Daylight

The month with the shortest days in Cedar Key is December, with an average of 10h and 18min of daylight.
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 in Cedar Key are January and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 4 in December transforms into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Experience reduced UV exposure by about half when donning a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What are December temperatures in Cedar Key?

Cedar Key in December has an average high-temperature of 68°F (20°C) and an average low-temperature of 52.3°F (11.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in October is appraised at 86°F (30°C).

What is the average humidity in December in Cedar Key?

The average relative humidity in December is 76%.

How many days does it rain in December in Cedar Key?

In Cedar Key, in December, it is raining for 7.9 days, with typically 1.81" (46mm) of accumulated precipitation.

What is the snowiest month in Cedar Key?

December has the most snowfall days of the year in Cedar Key. Snow falls for 0.1 days.

When does it start snowing in Cedar Key?

December is the first month it typically snows. Throughout December, there are 0.1 snowfall days.

What is the ocean temperature in December in Cedar Key?

In Cedar Key, Florida, in December, the average water temperature is 62.4°F (16.9°C). For swimming, a surface water temperature of 62.4°F (16.9°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the month with the shortest days in Cedar Key?

With an average of 10h and 18min of daylight, December has the shortest days of the year in Cedar Key, Florida.

How many hours of daylight does Cedar Key have in December?

The average day length in December is 10h and 19min.

When are sunrise and sunset in December in Cedar Key?

On the first day of December in Cedar Key, Florida, sunrise is at 7:09 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:45 pm EST.

What is the month with the least sunshine in Cedar Key?

December has the least sunshine of the year in Cedar Key, Florida, with an average of 6h of sunshine.

How long on average sun shines in December in Cedar Key?

In Cedar Key, the average sunshine duration in December is 6h.

When is the lowest UV index in Cedar Key?

The months with the lowest UV index in Cedar Key are January and December, with an average maximum UV index of 4.

How high is the UV index in December in Cedar Key?

In December, the average daily maximum UV index in Cedar Key is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cedar Key, FL

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).

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Average pressure in December
Cedar Key, FL

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).

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Average wind speed in December
Cedar Key, FL

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).

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Average humidity in December
Cedar Key, FL

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%).

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Average rainfall in December
Cedar Key, FL

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").

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Average rainfall days in December
Cedar Key, FL

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).

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Average snowfall days in December
Cedar Key, FL

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).

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Average sea temperature in December
Cedar Key, FL

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).

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Average daylight in December /
Average sunshine in December
Cedar Key, FL

Average daylight in December / Average sunshine in December - Cedar Key, FL
  • Average daylight in December: 10h and 2min

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).

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Average sunshine days in December
Cedar Key, FL

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).

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Average UV index in December
Cedar Key, FL

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).

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Average cloud cover in December
Cedar Key, FL

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).

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Average visibility in December
Cedar Key, FL

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).

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Cedar Key, Florida, USA

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