December weather forecastFort Pierce, FL
December
Weather in December
December, the first month of the winter in Fort Pierce, is still a warm month, with an average temperature varying between 73.9°F (23.3°C) and 63.7°F (17.6°C).Temperature
With December's arrival, Fort Pierce's weather records an average high-temperature of a still warm 73.9°F (23.3°C), marking little difference from November's 76.5°F (24.7°C). In Fort Pierce, an average nighttime temperature of 63.7°F (17.6°C) is expected during December.Humidity
In Fort Pierce, the average relative humidity in December is 77%.Rainfall
In Fort Pierce, in December, during 14 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Fort Pierce, during the entire year, the rain falls for 221.2 days and collects up to 46.26" (1175mm) of precipitation.Ocean temperature
In Fort Pierce, in December, the average water temperature is 75.6°F (24.2°C).Note: Cold sensitivities vary, but with the right amount of sunshine, a gentle breeze, and a warm day, a swim in 75.6°F (24.2°C) waters might be just right. Remember, Olympic swimmers are used to waters between 77°F (25°C) and 82.4°F (28°C).
Daylight
December has the shortest days of the year, with an average of 10h and 24min of daylight.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.
Sunshine
In December, the average sunshine is 6h.UV index
January, February and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the UV index of 5 transforms into the following advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Heed this! UV intensity is much stronger when reflected off sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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).
Average daylight in December /
Average sunshine in December
Fort Pierce, FL
- Average daylight in December: 10h and 24min
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).
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).
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).
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).
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).
