Weather in December
As the year bows out in
December,
Saint Martin confronts the onset of wintry weather. Decreased daylight hours and lower sea temperatures permeate the area. December sees the ocean temperature reach a stature of 60.6°F (15.9°C), quite a dip from
November's average. The city quiets down considerably as the focus shifts towards indoor events and holiday activities. Indeed, the chill in the air and shorter days clearly define it as a winter month in Saint Martin.
Ocean temperature
In December, the average ocean temperature is 60.6°F (15.9°C).
Note: The majority of people find swimming in 60.6°F (15.9°C) unenjoyable. As the water temperature decreases from 69.8°F (21°C) to 59°F (15°C), breathing becomes more challenging to control.
Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.
On the first day of the month, sunrise is at 6:35 am and sunset at 4:54 pm. On the last day of December, sunrise is at 6:52 am and sunset at 5:05 pm CST.
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