March Weather in Saint Martin, United States

Last updated: June 24, 2025

In March, the average temperature in Saint Martin, United States is a pleasant 18°C (64°F). Visitors can expect a minimum chill of 0°C (33°F) and a warm maximum of 30°C (86°F). Precipitation averages 88 mm (3.5 in) over 11 days, contributing to an average humidity level of 80%. Be prepared for a mix of weather as you enjoy your time in this beautiful locale!

March Temperature in Saint Martin

In March in Saint Martin, the average temperature is 18°C (64°F). Maximum temperatures can reach 30°C (86°F), while the minimum can drop to as low as 0°C (33°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates March 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, March typically has an average temperature of 18°C (64°F), with highs reaching up to 30°C (86°F) and lows dropping to around 0°C (33°F).

Data source: Temperature data for Saint Martin generated using information from the Copernicus Climate Change Service.

March Precipitation in Saint Martin

In Saint Martin in March, the total precipitation amount is 88 mm (3.5 in) spread over 11 days.

March Precipitation Trends in Saint Martin

The chart displays monthly precipitation patterns in Saint Martin, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Saint Martin, March typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

March Humidity in Saint Martin

In Saint Martin in March humidity is 80%. With an average temperature of 18°C (64°F), this humidity feels like a warm, damp blanket wrapping around you, making travel a bit more exhausting as the air thickens and the heat clings to your skin.

March Average Humidity in Saint Martin

This chart illustrates the average monthly humidity levels in Saint Martin, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Saint Martin is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Saint Martin

In Saint Martin in March, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Saint Martin.

Maximum UV Index Levels in Saint Martin for March

The chart shows the monthly maximum UV Index (UVI) for Saint Martin in March, 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 March, the maximum UV index in Saint Martin typically reaches 9, which falls under the very high exposure category.

Data source: Saint Martin March 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 March 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 March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (53°F)	92 mm (3.6 inches)	82%	moderate
February Weather	15°C (59°F)	107 mm (4.2 inches)	80%	very high
March Weather	18°C (64°F)	88 mm (3.5 inches)	80%	very high
April Weather	20°C (68°F)	122 mm (4.8 inches)	78%	extreme
May Weather	24°C (76°F)	132 mm (5.2 inches)	73%	extreme
June Weather	27°C (81°F)	247 mm (9.7 inches)	71%	extreme
July Weather	28°C (82°F)	189 mm (7.5 inches)	79%	extreme
August Weather	27°C (82°F)	224 mm (8.8 inches)	78%	extreme
September Weather	26°C (79°F)	145 mm (5.7 inches)	80%	very high
October Weather	22°C (73°F)	132 mm (5.2 inches)	76%	very high
November Weather	15°C (60°F)	58 mm (2.3 inches)	83%	high
December Weather	13°C (56°F)	110 mm (4.3 inches)	87%	moderate