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May Weather in Saint Martin, United States

Last updated: June 24, 2025

In May, the average temperature in Saint Martin, United States is a pleasant 24°C (76°F). However, temperatures can vary, with minima dipping to 9°C (49°F) and maxima soaring to 34°C (94°F). Expect approximately 132 mm (5.2 in) of precipitation over 12 days, contributing to an average humidity level of 73%. Prepare accordingly!

May Temperature in Saint Martin

In May, in Saint Martin, the average temperature is 24°C (76°F). Maximums can reach 34°C (94°F), and minimums can be as low as 9°C (49°F). This makes Saint Martin a great destination for travelers seeking warm weather with a chance to experience cooler evenings.

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

The chart illustrates May 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, May typically has an average temperature of 24°C (76°F), with highs reaching up to 34°C (94°F) and lows dropping to around 9°C (49°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.

May Precipitation in Saint Martin

In Saint Martin in May, the precipitation amount is 132 mm (5.2 in) over the course of 12 days.

May Precipitation Trends in Saint Martin

The chart displays monthly precipitation patterns in Saint Martin, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Saint Martin, May typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec921078912213224719022414513258110
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Saint Martin

In Saint Martin in May humidity is 73%. With an average temperature of 24°C (76°F), this humidity feels like a warm and sticky embrace, making travel slightly uncomfortable as the air thickens around you, prompting you to seek shade and stay hydrated.

May Average Humidity in Saint Martin

This chart illustrates the average monthly humidity levels in Saint Martin, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Saint Martin is approximately 73%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Saint Martin

In Saint Martin in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Saint Martin.

Maximum UV Index Levels in Saint Martin for May

The chart shows the monthly maximum UV Index (UVI) for Saint Martin in May, 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 May, the maximum UV index in Saint Martin typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121110864
Data source: Saint Martin May 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 May 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 May’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 May’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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