Naples
Florida, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Naples, FL

Magnificent aerial view of the white sandy shores of Naples in Florida, complete with a view of the city structure and plantation
Magnificent aerial view of the white sandy shores of Naples in Florida, complete with a view of the city structure and plantation
December, the first month of the winter, in Naples, is also a moderately hot month, with average temperature fluctuating between 64.4°F (18°C) and 74.8°F (23.8°C).

Temperature

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

Humidity

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

Rainfall

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

Ocean temperature

In December, the average ocean temperature 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

The month with the shortest days is December, with an average of 10.5h of daylight.

Sunshine

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

UV index

The average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in December in Naples?

In Naples, Florida, in December, the average high-temperature is 74.8°F (23.8°C), and the average low-temperature is 64.4°F (18°C).

What is the most humid month in Naples?

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

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, in December, during 7.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

What is the ocean temperature in December in Naples?

In December, the average ocean temperature in Naples is 71.2°F (21.8°C). 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).

What is the month with the shortest days in Naples?

With an average of 10.5h of daylight, December has the shortest days of the year in Naples.

What is the average length of the day in December in Naples?

The average length of the day in December in Naples is 10.5h.

What is the month with the least sunshine in Naples?

The month with the least sunshine in Naples is December, with an average of 6.7h of sunshine.

How many hours of sunshine does Naples have in December?

In Naples, the average sunshine in December is 6.7h.

What is the UV index intensity in December in Naples?

In Naples, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to the Sun's UV rays.
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).

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%).

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 lowest rainfall) is March (0.63").

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 lowest number of rainy days is February (7 days).

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).

Average daylight in December / Average sunshine in December - Naples, FL
  • Average daylight in December: 10.5h

The month with the longest days is June (Average daylight: 13.8h).
The month with shortest days is December (Average daylight: 10.5h).

  • Average sunshine in December: 6.7h

Months with most sunshine are May and July (Average sunshine: 11.1h).
The month with least sunshine is December (Average sunshine: 6.7h).

Average UV index in December - Naples, FL
  • Average UV index in December: 6

Months with the highest UV index are May, June, July, August and September (UV index 7).
Months with the lowest UV index are January and February (UV index 5).