December weather - Winter 2024

Weather in December
Frequently asked questions
Average temperature in December
Average pressure in December
Average wind speed in December
Average humidity in December
Average rainfall in December
Average rainfall days in December
Average sea temperature in December
Average daylight in December
Average sunshine in December
Average sunshine days in December
Average UV index in December
Average cloud cover in December
Average visibility in December

Dusk over the pier bridge in Fort Myers, Florida, with cloudy skies and calm waters below

Weather in December

The year concludes with December, exhibiting the lowest average temperatures in Fort Myers, although the mercury never drops drastically. The rainfall is slightly higher than November, but overall, the weather remains dry and cool. The shorter daylight hours mark the return of the winter solstice. Despite the cooling trend, the sea temperature remains relatively comfortable, making beach activities still enjoyable. Overall, this final month ensures that the year ends on a peaceful and pleasant note in Fort Myers.

Temperature

December's arrival in Fort Myers, Florida, shows an average high-temperature of a still warm 74.8°F (23.8°C), hardly different from the previous month. Fort Myers experiences a steady low-temperature of 61.7°F (16.5°C) throughout December.

Humidity

The months with the highest humidity in Fort Myers are September and December, with an average relative humidity of 76%.

Rainfall

In Fort Myers, in December, it is raining for 7.4 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, there are 159.2 rainfall days, and 23.54" (598mm) of precipitation is accumulated.

Ocean temperature

In December, the average ocean temperature in Fort Myers is 75.2°F (24°C).
Note: For someone not comfortable with cold, swimming in 75.2°F (24°C) waters might be a stretch. However, with favorable conditions like abundant sunshine, mild wind, and warm air temperatures, the experience can be improved. And while wetsuits are not a must, they can be considered.

Daylight

The month with the shortest days in Fort Myers is December, with an average of 10h and 30min of daylight.
On the first day of the month, sunrise is at 6:59 am and sunset at 5:34 pm. On the last day of December, sunrise is at 7:15 am and sunset at 5:45 pm EST.

Sunshine

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

UV index

January, February and December, with an average maximum UV index of 5, are months with the lowest UV index in Fort Myers. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, an average UV index of 5 transforms into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.

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Frequently asked questions

What is the usual temperature for Fort Myers in December?

The high-temperature, in December, in Fort Myers, is 74.8°F (23.8°C), while the low-temperature averages to 61.7°F (16.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in October is calculated to be 91.4°F (33°C).

What are the most humid months in Fort Myers?

September and December, with an average relative humidity of 76%, are most humid months in Fort Myers, Florida.

What is the average humidity in December in Fort Myers?

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

How much does it rain in Fort Myers in December?

In Fort Myers, in December, it is raining for 7.4 days, with typically 1.02" (26mm) of accumulated precipitation.

What is the ocean temperature in December in Fort Myers?

In Fort Myers, Florida, the average seawater temperature in December is 75.2°F (24°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 75.2°F (24°C) water may be enjoyable.

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

The month with the shortest days is December, with an average of 10h and 30min of daylight.

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

In December, the average day length in Fort Myers, Florida, is 10h and 30min.

When is the sunrise / sunset in December in Fort Myers?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 5:34 pm. On the last day of the month, in Fort Myers, sunrise is at 7:15 am and sunset at 5:45 pm EST.

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

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

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

In December, the average sunshine duration in Fort Myers, Florida, is 6.7h.

What is the month with the lowest UV index in Fort Myers?

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

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

In December, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

78.3°F 25.7°C

74.8°F 23.8°C

71.1°F 21.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.7mph 14km/h

8.6mph 13.8km/h

8.7mph 14km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

6.8

7.4

6.3

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

21.8

21.5

Average UV index

Average cloud cover

26%

29%

Average visibility

6mi 9.7km

Average temperature in December
Fort Myers, FL

Average high temperature in December: 74.8°F

The warmest month (with the highest average high temperature) is August (89.4°F).
The month with the lowest average high temperature is January (71.1°F).

Average low temperature in December: 61.7°F

The month with the highest average low temperature is August (79°F).
The coldest month (with the lowest average low temperature) is January (56.7°F).

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Average pressure in December
Fort Myers, FL

Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).

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Average wind speed in December
Fort Myers, FL

Average wind speed in December: 7.8mph

The windiest months (with the highest average wind speed) are October and November (8.1mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

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Average humidity in December
Fort Myers, FL

Average humidity in December: 76%

The months with the highest relative humidity are September and December (76%).
The month with the lowest relative humidity is March (71%).

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Average rainfall in December
Fort Myers, FL

Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is August (4.72").
The driest months (with the least rainfall) are February and March (0.63").

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Average rainfall days in December
Fort Myers, FL

Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is January (6.3 days).

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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).

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Average daylight in December /
Average sunshine in December
Fort Myers, FL

Average daylight in December: 10h and 3min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

Average sunshine in December: 6h and 4min

The months with the most sunshine are May and July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in December
Fort Myers, FL

Average sunshine days in December: 21.5 days

The month with the most sunshine days is January (23 days).
The month with the least sunshine days is August (5.9 days).

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Average UV index in December
Fort Myers, FL

Average UV index in December: 5

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, February and December (UV index 5).

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Average cloud cover in December
Fort Myers, FL

Average cloud cover in December: 29

The months with the most cloud cover are January and December (Cloud cover 29).
The months with the least cloud cover are March, April and May (Cloud cover 24).

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Average visibility in December
Fort Myers, 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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December weather forecast
Fort Myers, FL

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