December weather forecast
Naples, FL

Magnificent white sandy shores of Naples in Florida, USA, complete with a view of the city structure and plantation
Magnificent white sandy shores of Naples in Florida, USA, complete with a view of the city structure and plantation

Weather in December

December, the first month of the winter in Naples, is also a moderately hot month, with an average temperature ranging between max 74.8°F (23.8°C) and min 64.4°F (18°C).

Temperature

In Naples, the average high-temperature in December is almost the same as in November - a still warm 74.8°F (23.8°C). In Naples, Florida, the average low-temperature is 64.4°F (18°C).

Humidity

December is the most humid month in Naples, with an average relative humidity of 76%.

Rainfall

In Naples, during December, the rain falls for 7.9 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Naples, Florida, during the entire year, the rain falls for 162.1 days and collects up to 21.69" (551mm) of precipitation.

Ocean temperature

In Naples, the average seawater temperature in December is 71.2°F (21.8°C).
Note: For most, swimming in 71.2°F (21.8°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

December has the shortest days of the year in Naples, with an average of 10h and 32min 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 7:14 am and sunset at 5:46 pm EST.

Sunshine

December has the least sunshine of the year in Naples, Florida, with an average of 6.7h of sunshine.

UV index

In Naples, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in December in Naples?

The average high-temperature, in December, is 74.8°F (23.8°C), while the average low-temperature is 64.4°F (18°C). in October, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 91.4°F (33°C).

What is the most humid month in Naples?

The most humid month in Naples, Florida, is December, with an average relative humidity of 76%.

What is the average humidity in December in Naples?

In Naples, the average relative humidity in December is 76%.

How much does it rain in Naples in December?

In Naples, Florida, during December, the rain falls for 7.9 days and regularly aggregates up to 0.87" (22mm) of precipitation.

What is the ocean temperature in December in Naples?

In Naples, the average seawater temperature in December is 71.2°F (21.8°C). Swimming in 71.2°F (21.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the month with the shortest days in Naples?

With an average of 10h and 32min of daylight, December has the shortest days of the year in Naples, Florida.

How many hours of daylight does Naples have in December?

In December, the average day length in Naples, Florida, is 10h and 32min.

When is the sunrise / sunset in December in Naples?

In December, on the first day of the month, sunrise is at 6:57 am and sunset at 5:34 pm. On the last day of the month, in Naples, sunrise is at 7:14 am and sunset at 5:46 pm EST.

What is the month with the least sunshine in Naples?

December has the least sunshine of the year, with an average of 6.7h of sunshine.

How many hours of sunshine does Naples have in December?

The average sunshine duration in December in Naples, Florida, is 6.7h.

How high is the UV index in December in Naples?

The average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in December
Naples, FL

Average temperature in December - Naples, 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).

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Average pressure in December
Naples, FL

Average pressure in December - Naples, 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).

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Average wind speed in December
Naples, FL

Average wind speed in December - Naples, 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).

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Average humidity in December
Naples, FL

Average humidity in December - Naples, 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%).

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Average rainfall in December
Naples, FL

Average rainfall in December - Naples, 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").

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Average rainfall days in December
Naples, FL

Average rainfall days in December - Naples, 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).

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Average sea temperature in December
Naples, FL

Average sea temperature in December - Naples, FL
  • Average sea temperature in December: 71.2°F

The best month for swimming (with the highest average sea temperature) is August (87.2°F).
The coldest month (with the lowest average sea temperature) is January (66.6°F).

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Average daylight in December /
Average sunshine in December
Naples, FL

Average daylight in December / Average sunshine in December - Naples, FL
  • Average daylight in December: 10h and 32min

The month with the longest days is June (Average daylight: 13h and 45min).
The month with the shortest days is December (Average daylight: 10h and 32min).

  • 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).

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Average sunshine days in December
Naples, FL

Average sunshine days in December - Naples, 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).

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Average UV index in December
Naples, FL

Average UV index in December - Naples, 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).

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Average cloud cover in December
Naples, FL

Average cloud cover in December - Naples, 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).

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Average visibility in December
Naples, FL

Average visibility in December - Naples, 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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