Weather in St. Martin in October

Though fall is beginning in the north, October in St. Martin and Sint Maarten see a slight increase in rainfall and inclement weather, perhaps due to the heightening of the Atlantic storm season. However, travelers will certainly have plenty to enjoy during their stay on this tiny island, with sun and warm temperatures being the most common weather conditions in both October and throughout the year.

Typical Weather in October

October temperatures in St. Martin range from an average low of 80.0 degrees to an average high of 87.0 degrees.


St. Martin in October: Key Facts
Monthly Averages
High Low Rainfall
No. of Days
with Rain
87.0° F 80.0° F 3.9 N.A.

On any given day during October in St. Martin, you can expect early morning temperatures to be around 82.5 degrees. The temperature will rise over the course of the typical October day, reaching somewhere around 86.5 degrees by early afternoon. By early evening, temperatures in St. Martin generally decline to around 81.4 degrees. Overall, temperatures in St. Martin during October average around 83.4 degrees.


October Temperatures in St. Martin by Time of Day
Early Morning Late Morning Early Afternoon Late Afternoon Early Evening Overall
82.5° F 86.2° F 86.5° F 83.6° F 81.4° F 83.4° F



Rain is most likely to occur around 4:00 AM during the month of October, and it is least likely to occur around 10:00 AM. To the extent thunderstorms occur in St. Martin during October, they are most likely to occur around 1:00 AM, as shown in the following table.


October Rainfall in St. Martin by Time of Day
  Percent Frequencies of Hourly Observations
Hour Rain
1:00 AM 21 % 4.5 %
4:00 AM 24.3 % 1.4 %
7:00 AM 18.9 % 0.9 %
10:00 AM 15.5 % 0.2 %
1:00 PM 19.1 % 0.7 %
4:00 PM 17.2 % 2.3 %
7:00 PM 16 % 3.1 %
10:00 PM 22.8 % 1.5 %
ALL 18.5 % 1.6 %


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