Weather in St. Martin in July

Balmy breezes mark St. Martin and Sint Maarten in July. Weather is warm and skies are mostly clear, though vacationers will likely see some cooling showers throughout their stay. This is the time of year when fewer travelers make their way to this island, but severe tropical weather may. Chances of a disturbance, however, are rare on St. Martin in July.

Typical Weather in July

During July the temperatures in St. Martin typically vary between a daily high of about 88.0 degrees and a daily low of approximately 80.0 degrees.


St. Martin in July: Key Facts
Monthly Averages
High Low Rainfall
No. of Days
with Rain
88.0° F 80.0° F 3.3 N.A.

On any given day during July in St. Martin, you can expect early morning temperatures to be around 82.7 degrees. The temperature will rise over the course of the typical July day, reaching somewhere around 87.3 degrees by early afternoon. By early evening, temperatures in St. Martin generally decline to around 81.9 degrees. Overall, temperatures in St. Martin during July average around 84.0 degrees.


July Temperatures in St. Martin by Time of Day
Early Morning Late Morning Early Afternoon Late Afternoon Early Evening Overall
82.7° F 86.4° F 87.3° F 85.1° F 81.9° F 84.0° F



Rain is most likely to occur around 4:00 AM during the month of July, and it is least likely to occur around 1:00 PM. In St. Martin during July, thunderstorms -- when they occur -- are most likely sometime around 10:00 PM.


July Rainfall in St. Martin by Time of Day
  Percent Frequencies of Hourly Observations
Hour Rain
1:00 AM 18.2 % 1.4 %
4:00 AM 24.7 % 1.3 %
7:00 AM 16.3 % 0.8 %
10:00 AM 14.4 % 0.6 %
1:00 PM 13.3 % 0.2 %
4:00 PM 14.6 % 0.2 %
7:00 PM 13.9 % 1.5 %
10:00 PM 21.2 % 2.6 %
ALL 15.8 % 0.9 %


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