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October Weather in Saint Martin, United States

Last updated: June 24, 2025

In October, the average temperature in Saint Martin, United States is a pleasant 22°C (73°F). However, it can vary significantly, with minimums dropping to 4°C (40°F) and maximums soaring up to 35°C (95°F). Expect about 132 mm (5.2 in) of precipitation spread over 11 days, and enjoy a relatively high average humidity of 76%, ensuring a moist and refreshing atmosphere.

October Temperature in Saint Martin

In October in Saint Martin, the average temperature is 22°C (73°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 4°C (40°F). This diverse range in temperatures makes it essential for travelers to pack accordingly for both warm days and cooler evenings.

October Weather in Saint Martin: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Saint Martin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Martin, October typically has an average temperature of 22°C (73°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec535964687580828179726056
Data source: Temperature data for Saint Martin generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Saint Martin

In Saint Martin in October, the precipitation amount is 132 mm (5.2 in), which occurs over a span of 11 days.

October Precipitation Trends in Saint Martin

The chart displays monthly precipitation patterns in Saint Martin, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Saint Martin, October typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec921078912213224719022414513258110
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Saint Martin

In Saint Martin in October, humidity is 76%. With an average temperature of 22°C (73°F), this humidity feels like a warm embrace that envelops you, making travel both refreshing and slightly steamy, as the air clings warmly to your skin.

October Average Humidity in Saint Martin

This chart illustrates the average monthly humidity levels in Saint Martin, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Saint Martin is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%78%73%71%79%78%80%76%83%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Saint Martin

In Saint Martin in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Saint Martin.

Maximum UV Index Levels in Saint Martin for October

The chart shows the monthly maximum UV Index (UVI) for Saint Martin in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Saint Martin typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121110864
Data source: Saint Martin October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Saint Martin Compares to Other Months

Weather in Saint Martin varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Saint Martin, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Saint Martin, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (53°F)92 mm (3.6 inches)82%moderate
February Weather15°C (59°F)107 mm (4.2 inches)80%very high
March Weather18°C (64°F)88 mm (3.5 inches)80%very high
April Weather20°C (68°F)122 mm (4.8 inches)78%extreme
May Weather24°C (76°F)132 mm (5.2 inches)73%extreme
June Weather27°C (81°F)247 mm (9.7 inches)71%extreme
July Weather28°C (82°F)189 mm (7.5 inches)79%extreme
August Weather27°C (82°F)224 mm (8.8 inches)78%extreme
September Weather26°C (79°F)145 mm (5.7 inches)80%very high
October Weather22°C (73°F)132 mm (5.2 inches)76%very high
November Weather15°C (60°F)58 mm (2.3 inches)83%high
December Weather13°C (56°F)110 mm (4.3 inches)87%moderate

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