December weather forecastRiviera Lagoons, FL
December
Weather in December
The first month of the winter, December, is still a warm month in Riviera Lagoons, Florida, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 59.4°F (15.2°C).Temperature
Riviera Lagoons's average high-temperature in December sits at a still moderately hot 74.8°F (23.8°C), showing little difference from the previous month. December brings with it a nighttime average temperature of 59.4°F (15.2°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Riviera Lagoons, in December, it is raining for 9.4 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 181.8 rainfall days, and 29.37" (746mm) of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 30min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 5:34 pm. On the last day of December, sunrise is at 7:16 am and sunset at 5:45 pm EST.
Sunshine
The month with the least sunshine in Riviera Lagoons is December, with an average of 6.3h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 5, are months with the lowest UV index in Riviera Lagoons. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In December, an average UV index of 5 transforms into the following instructions:
Heed the precautions - It is counselled to guard against solar damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Riviera Lagoons, FL
- Average high temperature in December: 74.8°F
The warmest months (with the highest average high temperature) are July and August (90.1°F).
The month with the lowest average high temperature is January (70.9°F).
- Average low temperature in December: 59.4°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (54.3°F).
Average pressure in December
Riviera Lagoons, 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).
Average wind speed in December
Riviera Lagoons, FL
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January and March (7.5mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Riviera Lagoons, FL
- Average humidity in December: 77%
The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Riviera Lagoons, FL
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is August (5.39").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in December
Riviera Lagoons, FL
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is August (25.6 days).
The months with the least rainy days are January and February (8.1 days).
Average daylight in December /
Average sunshine in December
Riviera Lagoons, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Riviera Lagoons, FL
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is August (3.8 days).
Average UV index in December
Riviera Lagoons, 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, November and December (UV index 5).
Average cloud cover in December
Riviera Lagoons, FL
- Average cloud cover in December: 32
The month with the most cloud cover is December (Cloud cover 32).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in December
Riviera Lagoons, 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).





