Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
As Roseland transitions from November to December, the average high-temperatures adjust to a pleasant 73°F (22.8°C), nearly the same as the previous 75.9°F (24.4°C). Roseland maintains an average of approximately an enjoyable 64°F (17.8°C) during December nights, with only a minimal decrease from the daytime temperature.Humidity
In December, the average relative humidity is 77%.Rainfall
In Roseland, during December, the rain falls for 13.3 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Roseland, Florida, during the entire year, the rain falls for 205.2 days and collects up to 38.31" (973mm) of precipitation.Ocean temperature
In December, the average ocean temperature is 75°F (23.9°C).Note: A swim in 75°F (23.9°C) waters can be refreshing, especially when factoring in a person's cold tolerance, sunshine, wind, and the overall temperature. As a point of reference, Olympic swimming events are held in 77°F (25°C) to 82.4°F (28°C) waters.
Daylight
With an average of 10h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:56 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:37 pm EST.
Sunshine
In Roseland, the average sunshine in December is 6.1h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 5 during December translates into the following directions:
Make use of precautions - Suggestions to resist sunburn are communicated. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Alert! Sand and water increase UV exposure due to their reflective properties.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How much does it rain in December?
How warm is the water in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Roseland have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Roseland, FL
- Average high temperature in December: 73°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 (69.4°F).
- Average low temperature in December: 64°F
The month with the highest average low temperature is August (79°F).
The coldest month (with the lowest average low temperature) is January (59.7°F).
Average pressure in December
Roseland, 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
Roseland, FL
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is November (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in December
Roseland, FL
- Average humidity in December: 77%
The months with the highest relative humidity are June, July and August (79%).
The month with the lowest relative humidity is March (72%).
Average rainfall in December
Roseland, FL
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is August (6.89").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in December
Roseland, FL
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is August (25 days).
The month with the least rainy days is February (10.4 days).
Average sea temperature in December
Roseland, FL
- Average sea temperature in December: 74.9°F
The best month for swimming (with the highest average sea temperature) is August (84.8°F).
The coldest months (with the lowest average sea temperature) are January and February (72.3°F).
Average daylight in December /
Average sunshine in December
Roseland, FL
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in December
Roseland, FL
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is August (3.9 days).
Average UV index in December
Roseland, 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
Roseland, FL
- Average cloud cover in December: 35
The month with the most cloud cover is November (Cloud cover 36).
The months with the least cloud cover are May, July and August (Cloud cover 27).
Average visibility in December
Roseland, 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).
Roseland, Florida, USA
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