Weather in December
Ocean temperature
In Saint Clair, Michigan, the average seawater temperature in December is 40.6°F (4.8°C).Note: In the scenario of swimming, this is assessed as life-threatening and highly risky. The chilling water causes severe discomfort and induces instant hyperventilation. A specialized swimsuit is necessary to counter thermal damage.
Daylight
December has the shortest days of the year, 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, sunrise is at 8:00 am and sunset at 5:06 pm EST.
Frequently asked questions
How cold is the water in December in Saint Clair?
In Saint Clair, Michigan, the average seawater temperature in December is 40.6°F (4.8°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.
What is the month with the shortest days in Saint Clair?
The month with the shortest days is December, with an average of 9h and 6min of daylight.
What is the average length of the day in December in Saint Clair?
In Saint Clair, the average day length in December is 9h and 5min.
When are sunrise and sunset in December in Saint Clair?
In December, on the first day of the month, sunrise is at 7:41 am and sunset at 4:56 pm. On the last day of the month, in Saint Clair, 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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