December weather forecastSouth Palm Beach, FL
December
Weather in December
The first month of the winter, December, is still a warm month in South Palm Beach, Florida, with an average temperature varying between 68.2°F (20.1°C) and 75°F (23.9°C).Temperature
South Palm Beach's December average high-temperature settles at a still warm 75°F (23.9°C), showing a near match with the preceding month. Throughout December in South Palm Beach, Florida, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of 68.2°F (20.1°C).Humidity
The months with the highest humidity are June and December, with an average relative humidity of 76%.Rainfall
In South Palm Beach, in December, it is raining for 16.5 days, with typically 2.36" (60mm) of accumulated precipitation. In South Palm Beach, during the entire year, the rain falls for 238.3 days and collects up to 54.53" (1385mm) of precipitation.Ocean temperature
In December, the average ocean temperature in South Palm Beach, Florida, is 75.9°F (24.4°C).Note: For those not fond of cold temperatures, taking a swim at 75.9°F (24.4°C) may require consideration of the sunshine, wind, and ambient temperature. While wetsuits are not mandatory, they can enhance the experience.
Daylight
With an average of 10h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:51 am and sunset at 5:27 pm. On the last day of December, sunrise is at 7:08 am and sunset at 5:38 pm EST.
Sunshine
The months with the least sunshine in South Palm Beach, Florida, are January and December, with an average of 6h of sunshine.UV index
In South Palm Beach, Florida, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, the UV index of 6 transforms into the following advice:
Deflect overexposure. Sun protection is a necessity. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Warning! Sand and water reflections boost the intensity of UV exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
South Palm Beach, FL
- Average high temperature in December: 75°F
The warmest month (with the highest average high temperature) is August (86.7°F).
The month with the lowest average high temperature is January (72.5°F).
- Average low temperature in December: 68.2°F
The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is January (64°F).
Average pressure in December
South Palm Beach, FL
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in December
South Palm Beach, FL
- Average wind speed in December: 11mph
The windiest month (with the highest average wind speed) is March (11.5mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in December
South Palm Beach, FL
- Average humidity in December: 76%
The months with the highest relative humidity are June and December (76%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
South Palm Beach, FL
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is August (9.06").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in December
South Palm Beach, FL
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is August (27.3 days).
The month with the least rainy days is February (13.3 days).
Average sea temperature in December
South Palm Beach, FL
- Average sea temperature in December: 76°F
The best month for swimming (with the highest average sea temperature) is August (85.7°F).
The coldest month (with the lowest average sea temperature) is January (74.1°F).
Average daylight in December /
Average sunshine in December
South Palm Beach, FL
- Average daylight in December: 10h and 30min
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 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 6h and 0min).
Average sunshine days in December
South Palm Beach, FL
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is March (12.7 days).
The month with the least sunshine days is July (2.3 days).
Average UV index in December
South Palm Beach, FL
- Average UV index in December: 6
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in December
South Palm Beach, FL
- Average cloud cover in December: 36
The months with the most cloud cover are January, October, November and December (Cloud cover 36).
The months with the least cloud cover are April and July (Cloud cover 29).
Average visibility in December
South Palm Beach, 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).
