Weather in St. Martin in December

Weather in St. Martin in December

Winter in St. Martin and Sint Maarten offers up weather that other places can only dream of in December. With highs in the low-to-mid-80s and almost no thunderstorms, sunny days and breezy nights make great weather for those who plan to celebrate their holidays on St. Martin. However, beware that a few showers may make the days a little bit damp.

Typical Weather in December

During December the temperatures in St. Martin typically vary between a daily high of about 83.0 degrees and a daily low of approximately 76.0 degrees.


St. Martin in December: Key Facts
Monthly Averages
High Low Rainfall
No. of Days
with Rain
83.0° F 76.0° F 3.6 N.A.

During the early morning hours of an average December day in St. Martin, you can expect the temperature will be in the vicinity of 78.4 degrees. In December, temperatures typically rise to around 82.8 degrees by early afternoon. The temperature in St. Martin will typically decline by early evening, to approximately 78.0 degrees. Temperatures in St. Martin average around 79.7 degrees during December.


December Temperatures in St. Martin by Time of Day
Early Morning Late Morning Early Afternoon Late Afternoon Early Evening Overall
78.4° F 82.1° F 82.8° F 80.2° F 78.0° F 79.7° F



Rain is least likely to occur in St. Martin during December around 4:00 PM, and it is most likely to occur around 7:00 AM. To the extent thunderstorms occur in St. Martin during December, they are most likely to occur around 7:00 AM, as shown in the following table.


December Rainfall in St. Martin by Time of Day
  Percent Frequencies of Hourly Observations
Hour Rain
1:00 AM 20.7 % 0 %
4:00 AM 20.8 % 0 %
7:00 AM 21 % 0.4 %
10:00 AM 19.6 % 0 %
1:00 PM 18.7 % 0 %
4:00 PM 17.6 % 0.2 %
7:00 PM 19.3 % 0.2 %
10:00 PM 20.1 % 0.3 %
ALL 19.5 % 0.2 %


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