Weather in St. Martin in May

Find near-perfect weather in St. Martin and Sint Maarten in May. This month is before the danger of severe tropical weather begins, but just after the winter, so travelers will find sunny beaches and balmy breezes, free of crowds.

Typical Weather in May

During May the temperatures in St. Martin typically vary between a daily high of about 86.0 degrees and a daily low of approximately 78.0 degrees.


St. Martin in May: Key Facts
Monthly Averages
High Low Rainfall
No. of Days
with Rain
86.0° F 78.0° F 3.9 N.A.


On any given day during May in St. Martin, you can expect early morning temperatures to be around 81.1 degrees. Temperatures in St. Martin typically rise during the day, to an average of 85.2 degrees in the early afternoon. By early evening, temperatures in St. Martin generally decline to around 80.1 degrees. For the month of May as a whole, temperatures in St. Martin average around 82.0 degrees.


May Temperatures in St. Martin by Time of Day
Early Morning Late Morning Early Afternoon Late Afternoon Early Evening Overall
81.1° F 84.4° F 85.2° F 83.1° F 80.1° F 82.0° F



Rain is most likely to occur around 7:00 AM during the month of May, and it is least likely to occur around 7:00 PM. In St. Martin during May, thunderstorms -- when they occur -- are most likely sometime around 4:00 AM.


May Rainfall in St. Martin by Time of Day
  Percent Frequencies of Hourly Observations
Hour Rain
1:00 AM 17.3 % 0.7 %
4:00 AM 17.9 % 1.4 %
7:00 AM 21.1 % 0.4 %
10:00 AM 15.7 % 0.7 %
1:00 PM 13.5 % 0.7 %
4:00 PM 14.1 % 0.2 %
7:00 PM 9.5 % 0.9 %
10:00 PM 16.7 % 0.3 %
ALL 15.2 % 0.6 %

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