December weather forecast
Fort Pierce, FL

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Weather in December

The first month of the winter, December, is still a warm month in Fort Pierce, Florida, with an average temperature ranging between max 73.9°F (23.3°C) and min 63.7°F (17.6°C).

Temperature

December's arrival registers an average high-temperature of a still warm 73.9°F (23.3°C), closely aligning with the temperature of the previous month. The month of December records an average low-temperature of 63.7°F (17.6°C) in Fort Pierce.

Humidity

In December, the average relative humidity in Fort Pierce is 77%.

Rainfall

In December, in Fort Pierce, the rain falls for 14 days. Throughout December, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 221.2 rainfall days, and 46.26" (1175mm) of precipitation is accumulated.

Ocean temperature

In Fort Pierce, in December, the average water temperature is 75.6°F (24.2°C).
Note: Factor in your tolerance to cold, the sunshine, the wind, and the air's warmth, and a swim in 75.6°F (24.2°C) might be tempting. It is interesting to note that Olympians compete in 77°F (25°C) to 82.4°F (28°C) water temperatures.

Daylight

With an average of 10h and 24min of daylight, December has the shortest days of the year in Fort Pierce.
On the first day of the month, sunrise is at 6:54 am and sunset at 5:26 pm. On the last day of December, in Fort Pierce, sunrise is at 7:11 am and sunset at 5:37 pm EST.

Sunshine

In Fort Pierce, the average sunshine in December is 6h.

UV index

The months with the lowest UV index in Fort Pierce are January, February and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index, 5 in December, converts into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Warning! The Sun's UV rays intensify with reflections from sand and water.
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Frequently asked questions

What is the average December temperature in Fort Pierce?

In December, the average high-temperature and low-temperature in Fort Pierce are 73.9°F (23.3°C) and 63.7°F (17.6°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in October is appraised at 87.8°F (31°C).

What is the average humidity in December in Fort Pierce?

In Fort Pierce, Florida, the average relative humidity in December is 77%.

How much does it rain in Fort Pierce in December?

In December, the rain falls for 14 days. Throughout December, 1.85" (47mm) of precipitation is accumulated.

How warm is the water in December in Fort Pierce?

In December, the average ocean temperature in Fort Pierce is 75.6°F (24.2°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 75.6°F (24.2°C) water.

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

With an average of 10h and 24min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Fort Pierce?

In Fort Pierce, the average day length in December is 10h and 26min.

What time are sunrise and sunset in December in Fort Pierce?

On the first day of December, sunrise is at 6:54 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:37 pm EST.

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

In Fort Pierce, Florida, the average sunshine duration in December is 6h.

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

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

What is the UV index intensity in December in Fort Pierce?

In Fort Pierce, Florida, the average daily maximum UV index in December is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Fort Pierce, FL

Average temperature in December - Fort Pierce, FL
  • Average high temperature in December: 73.9°F

The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (70.5°F).

  • Average low temperature in December: 63.7°F

The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (59.2°F).

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Average pressure in December
Fort Pierce, FL

Average pressure in December - Fort Pierce, FL
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

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Average wind speed in December
Fort Pierce, FL

Average wind speed in December - Fort Pierce, FL
  • Average wind speed in December: 8.9mph

The windiest months (with the highest average wind speed) are January and March (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in December
Fort Pierce, FL

Average humidity in December - Fort Pierce, FL
  • Average humidity in December: 77%

The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is March (72%).

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Average rainfall in December
Fort Pierce, FL

Average rainfall in December - Fort Pierce, FL
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is August (8.23").
The driest month (with the least rainfall) is February (1.26").

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Average rainfall days in December
Fort Pierce, FL

Average rainfall days in December - Fort Pierce, FL
  • Average rainfall days in December: 14 days

The month with the highest number of rainy days is August (28.1 days).
The month with the least rainy days is January (11.3 days).

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Average sea temperature in December
Fort Pierce, FL

Average sea temperature in December - Fort Pierce, FL
  • Average sea temperature in December: 75.6°F

The best month for swimming (with the highest average sea temperature) is August (85.1°F).
The coldest month (with the lowest average sea temperature) is February (73.3°F).

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

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

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 24min).

  • Average sunshine in December: 6h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

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Average sunshine days in December
Fort Pierce, FL

Average sunshine days in December - Fort Pierce, FL
  • Average sunshine days in December: 12.9 days

The month with the most sunshine days is January (17 days).
The month with the least sunshine days is August (0.8 days).

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Average UV index in December
Fort Pierce, FL

Average UV index in December - Fort Pierce, 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 Pierce, FL

Average cloud cover in December - Fort Pierce, FL
  • Average cloud cover in December: 37

The months with the most cloud cover are November and December (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 28).

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Average visibility in December
Fort Pierce, FL

Average visibility in December - Fort Pierce, 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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Fort Pierce, Florida, USA

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