December weather forecastHighland Beach, FL
December
Weather in December
The first month of the winter, December, is also a moderately hot month in Highland Beach, Florida, with an average temperature ranging between max 75.2°F (24°C) and min 68.5°F (20.3°C).Temperature
During December, Highland Beach observes a subtle ascent to a still moderately hot 75.2°F (24°C) from November's 77.9°F (25.5°C) in the average high-temperature. Highland Beach's nocturnal readings in December exhibit minimal variation from the daytime temperatures, averaging at a pleasant 68.5°F (20.3°C).Humidity
The months with the highest humidity are June and December, with an average relative humidity of 75%.Rainfall
In December, the rain falls for 15.8 days. Throughout December, 2.28" (58mm) of precipitation is accumulated. In Highland Beach, during the entire year, the rain falls for 244.6 days and collects up to 68.54" (1741mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 30min of daylight.On the first day of December, sunrise is at 6:51 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:39 pm EST.
Sunshine
January and December, with an average of 6.2h of sunshine, are months with the least sunshine.UV index
In December, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 6 suggests this advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Highland Beach, FL
- Average high temperature in December: 75.2°F
The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is January (72.5°F).
- Average low temperature in December: 68.5°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 (64.2°F).
Average pressure in December
Highland Beach, FL
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).
Average wind speed in December
Highland Beach, FL
- Average wind speed in December: 10.9mph
The windiest month (with the highest average wind speed) is March (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Highland Beach, FL
- Average humidity in December: 75%
The months with the highest relative humidity are June and December (75%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Highland Beach, FL
- Average rainfall in December: 2.28"
The wettest month (with the highest rainfall) is August (12.05").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days in December
Highland Beach, FL
- Average rainfall days in December: 15.8 days
The month with the highest number of rainy days is August (29.3 days).
The month with the least rainy days is February (12.7 days).
Average daylight in December /
Average sunshine in December
Highland 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).
Average sunshine days in December
Highland Beach, FL
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is March (13.3 days).
The month with the least sunshine days is August (0.9 days).
Average UV index in December
Highland 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
Highland Beach, FL
- Average cloud cover in December: 35
The month with the most cloud cover is October (Cloud cover 36).
The months with the least cloud cover are March, April, May and July (Cloud cover 29).
Average visibility in December
Highland 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).





