Weather in December
Ocean temperature
In December, the average ocean temperature in Saint Augustine South, Florida, is 68.4°F (20.2°C).Note: When the surface water temperature is 68.4°F (20.2°C), most do not enjoy swimming. Breathing control becomes more complex as temperatures drop below 69.8°F (21°C).
Daylight
The month with the shortest days is December, with an average of 10h and 18min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:36 pm EST.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the ocean temperature in December in Saint Augustine South?
In December, the average ocean temperature in Saint Augustine South is 68.4°F (20.2°C). For most, swimming in 68.4°F (20.2°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).
What is the month with the shortest days in Saint Augustine South?
The month with the shortest days in Saint Augustine South, Florida, is December, with an average of 10h and 18min of daylight.
How many hours of daylight does Saint Augustine South have in December?
In December, the average day length in Saint Augustine South, Florida, is 10h and 16min.
When is the sunrise / sunset in December in Saint Augustine South?
On the first day of December in Saint Augustine South, sunrise is at 7:03 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:36 pm EST.
Average sea temperature in December
Saint Augustine South, FL
- Average sea temperature in December: 68.2°F
The best month for swimming (with the highest average sea temperature) is August (83.8°F).
The coldest months (with the lowest average sea temperature) are January and February (64.3°F).
Average daylight in December
Saint Augustine South, FL
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
Saint Augustine South, Florida, USA
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