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March Weather in Puerto Rico, Mexico

Last updated: August 27, 2025

In March, the average temperature in Puerto Rico, Mexico is a pleasant 25°C (78°F), making it an ideal time to explore the area. You can expect temperatures to vary, with a minimum of 15°C (58°F) and a maximum reaching up to 38°C (100°F). With an average humidity of 59% and only 4 mm (0.2 in) of precipitation over 0 days, the weather remains predominantly dry and comfortable.

March Temperature in Puerto Rico

In March in Puerto Rico, the average temperature is 25°C (78°F). The maximum can reach 38°C (100°F) and the minimum can be as low as 15°C (58°F). This range makes it an ideal time for travelers to enjoy a variety of outdoor activities while still being able to retreat to cooler indoor spaces during the hottest hours.

March Weather in Puerto Rico: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Puerto Rico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Rico, March typically has an average temperature of 25°C (78°F), with highs reaching up to 38°C (100°F) and lows dropping to around 15°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec727578818177797977767473
Data source: Temperature data for Puerto Rico 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.

March Precipitation in Puerto Rico

In Puerto Rico in March, the precipitation amount is 4 mm (0.2 in) over the course of 0 days.

March Precipitation Trends in Puerto Rico

The chart displays monthly precipitation patterns in Puerto Rico, 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 Puerto Rico, March typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec9541297223481062121973715
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Puerto Rico

In Puerto Rico in March, humidity is 59%. With an average temperature of 25°C (78°F), this humidity feels like a warm embrace, creating a slightly sticky atmosphere that can make outdoor explorations feel both refreshing and somewhat uncomfortable as you wander through the sights.

March Average Humidity in Puerto Rico

This chart illustrates the average monthly humidity levels in Puerto Rico, 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 Puerto Rico is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Puerto Rico

In Puerto Rico in March, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Puerto Rico, you can check here.

Maximum UV Index Levels in Puerto Rico for March

The chart shows the monthly maximum UV Index (UVI) for Puerto Rico 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 Puerto Rico typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141415141413109
Data source: Puerto Rico 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 Puerto Rico Compares to Other Months

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

This table compares monthly weather conditions in Puerto Rico, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (73°F)9 mm (0.4 inches)76%very high
February Weather24°C (75°F)5 mm (0.2 inches)68%extreme
March Weather25°C (78°F)4 mm (0.2 inches)59%extreme
April Weather27°C (81°F)12 mm (0.5 inches)57%extreme
May Weather27°C (81°F)97 mm (3.8 inches)65%extreme
June Weather25°C (78°F)223 mm (8.8 inches)66%extreme
July Weather26°C (79°F)48 mm (1.9 inches)75%extreme
August Weather26°C (79°F)106 mm (4.2 inches)82%extreme
September Weather25°C (77°F)212 mm (8.4 inches)82%extreme
October Weather24°C (76°F)197 mm (7.8 inches)83%extreme
November Weather24°C (75°F)37 mm (1.5 inches)80%very high
December Weather23°C (73°F)15 mm (0.6 inches)76%very high

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