Weather in December
Ocean temperature
In Saint Clair, Michigan, in December, the average water temperature is 40.6°F (4.8°C).Note: In swimming engagements, this poses immediate life-threatening risks. The loss of breath control is instantaneous, thereby hindering clear thought. A specialized swimsuit is mandatory to limit thermal dissipation.
Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:41 am and sunset at 4:56 pm. On the last day of December, in Saint Clair, sunrise is at 8:00 am and sunset at 5:06 pm EST.
Updated: Jul 30, 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 water temperature in December?
In Saint Clair, in December, the average water temperature is 40.6°F (4.8°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.
What is the month with the shortest days?
With an average of 9h and 6min of daylight, December has the shortest days of the year.
How many hours of daylight does Saint Clair have in December?
The average day length in December is 9h and 5min.
What time are sunrise and sunset in December?
On the first day of December, sunrise is at 7:41 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:06 pm EST.
Average sea temperature in December
Saint Clair, MI
- Average sea temperature in December: 40.6°F
The best month for swimming (with the highest average sea temperature) is August (73.7°F).
The coldest month (with the lowest average sea temperature) is February (32.4°F).
Average daylight in December
Saint Clair, MI
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
Saint Clair, Michigan, USA
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