Fort Myers
Florida, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Fort Myers, FL

Dusk over the pier bridge in Fort Myers, Florida, with cloudy skies and calm waters below
Dusk over the pier bridge in Fort Myers, Florida, with cloudy skies and calm waters below
The first month of the winter, December, is also a moderately hot month in Fort Myers, Florida, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 56.5°F (13.6°C).

Temperature

In December, the average high-temperature is almost the same as in November - a still warm 76.6°F (24.8°C). In December, the average low-temperature is 56.5°F (13.6°C).

Rainfall

In Fort Myers, during December, the rain falls for 4.5 days and regularly aggregates up to 1.6" (40mm) of precipitation. Throughout the year, in Fort Myers, there are 110.5 rainfall days, and 53.4" (1357mm) of precipitation is accumulated.

Ocean temperature

In Fort Myers, the average seawater temperature is 75.2°F (24°C).
Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 75.2°F (24°C).

Daylight

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

Sunshine

Months with the least sunshine in Fort Myers are January, November and December, with an average of 7h of sunshine.

UV index

January and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in December in Fort Myers?

The average high-temperature, in December, is 76.6°F (24.8°C), while the average low-temperature is 56.5°F (13.6°C).

How many days does it rain in December in Fort Myers?

In December, in Fort Myers, the rain falls for 4.5 days. Throughout December, 1.6" (40mm) of precipitation is accumulated.

What is the water temperature in December in Fort Myers?

In Fort Myers, Florida, the average seawater temperature in December is 75.2°F (24°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 75.2°F (24°C).

What is the month with the shortest days in Fort Myers?

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

How many hours of daylight does Fort Myers have in December?

In Fort Myers, the average length of the day in December is 10.5h.

What is the month with the least sunshine in Fort Myers?

January, November and December, with an average of 7h of sunshine, are months with the least sunshine in Fort Myers.

How long on average sun shines in December in Fort Myers?

The average sunshine in December in Fort Myers, Florida, is 7h.

What are the months with the lowest UV index in Fort Myers?

January and December, with an average maximum UV index of 5, are months with the lowest UV index.

What is the UV index reading in December in Fort Myers?

In Fort Myers, the average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in December - Fort Myers, FL
  • Average high temperature in December: 76.6°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (74.7°F).

  • Average low temperature in December: 56.4°F

The month with the highest average low temperature is August (74.9°F).
The coldest month (with the lowest average low temperature) is January (53.7°F).

Average rainfall in December - Fort Myers, FL
  • Average rainfall in December: 1.6"

The wettest month (with the highest rainfall) is June (9.3").
The driest month (with the lowest rainfall) is April (1.4").

Average rainfall days in December - Fort Myers, FL
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is August (17.9 days).
The month with the lowest number of rainy days is April (4.2 days).

Average sea temperature in December - Fort Myers, FL
  • Average sea temperature in December: 75°F

The best month for swimming (with the highest average sea temperature) is August (86°F).
The coldest month (with the lowest average sea temperature) is February (70°F).

Average daylight in December / Average sunshine in December - Fort Myers, 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: 7h

Months with most sunshine are April, May and June (Average sunshine: 10h).
Months with least sunshine are January, November and December (Average sunshine: 7).

Average UV index in December - Fort Myers, FL
  • Average UV index in December: 5

Months with the highest UV index are April, May, June, July and August (UV index 11).
Months with the lowest UV index are January and December (UV index 5).