Saint Martin Weather in October

The climate in Saint Martin during October can be summarized as warm, humid and a little damp.

October is in the fall / autumn in Saint Martin and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (80°F), whilst at night 14°C (58°F) is normal.

On average October is the driest month of the year in Saint Martin with around 85mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.2 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Saint Martin in October 2025.