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March Weather in Puerto Rico, Mexico

Last updated: August 27, 2025

In March, the average temperature in Puerto Rico, Mexico hovers around 27°C (81°F), with daytime highs reaching up to 37°C (99°F) and nighttime lows dipping to 20°C (68°F). Expect a mild precipitation of about 17 mm (0.7 in) spread over 3 days, while the average humidity remains comfortably at 64%. Enjoy the warm and inviting climate!

March Temperature in Puerto Rico

In March in Puerto Rico, the average temperature is 27°C (81°F). Maximums can reach 37°C (99°F) and minimums can be as low as 20°C (68°F). It's an ideal time for travelers to enjoy warm weather, perfect for outdoor activities and exploring the local attractions.

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 27°C (81°F), with highs reaching up to 37°C (99°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec757881848784848483817876
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 17 mm (0.7 in) over the course of 3 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 17 mm (0.7 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec45181726532728211920024712047
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 64%. With an average temperature of 27°C (81°F), this humidity feels like a warm embrace, making travel enjoyable yet slightly sticky, as you explore the sights under the bright sun.

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 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%73%64%61%60%59%64%76%80%82%83%84%
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 reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Puerto Rico.

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 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131313121198
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 Weather24°C (76°F)45 mm (1.8 inches)78%very high
February Weather26°C (78°F)18 mm (0.7 inches)73%extreme
March Weather27°C (81°F)17 mm (0.7 inches)64%extreme
April Weather29°C (85°F)25 mm (1.0 inches)61%extreme
May Weather30°C (87°F)53 mm (2.1 inches)59%extreme
June Weather29°C (84°F)272 mm (10.7 inches)59%extreme
July Weather29°C (84°F)82 mm (3.2 inches)64%extreme
August Weather29°C (84°F)118 mm (4.7 inches)76%extreme
September Weather28°C (83°F)200 mm (7.9 inches)80%extreme
October Weather27°C (81°F)247 mm (9.7 inches)82%extreme
November Weather26°C (78°F)120 mm (4.7 inches)83%very high
December Weather24°C (76°F)47 mm (1.9 inches)84%very high

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