nomadseason

May Weather in Puerto Rico, Mexico

Last updated: August 27, 2025

In Puerto Rico, Mexico, the average temperature in May is a warm 30°C (87°F), with daily highs reaching up to 39°C (102°F) and lows dipping to 22°C (72°F). During this month, expect about 53 mm (2.1 in) of precipitation spread over approximately 8 days, and enjoy an average humidity of 59%. Embrace the warmth while staying prepared for the occasional shower!

May Temperature in Puerto Rico

In May in Puerto Rico, the average temperature is 30°C (87°F). Maximum temperatures can reach 39°C (102°F), while the minimum can drop as low as 22°C (72°F). This makes it an ideal time for travelers seeking warm weather and outdoor adventures.

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

The chart illustrates May 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, May typically has an average temperature of 30°C (87°F), with highs reaching up to 39°C (102°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec757881848784848483817876
Data source: Temperature data for Puerto Rico generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Puerto Rico

In Puerto Rico in May, the total precipitation amount is 53 mm (2.1 in) over the course of 8 days.

May Precipitation Trends in Puerto Rico

The chart displays monthly precipitation patterns in Puerto Rico, 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 Puerto Rico, May typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec45181726532728211920024712047
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Puerto Rico

In Puerto Rico in May, humidity is 59%. With an average temperature of 30°C (87°F), this humidity feels like a warm embrace, making travel slightly sticky but still manageable, as long as you stay hydrated and take breaks in the shade.

May Average Humidity in Puerto Rico

This chart illustrates the average monthly humidity levels in Puerto Rico, 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 Puerto Rico is approximately 59%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Puerto Rico

In Puerto Rico in May, 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 May

The chart shows the monthly maximum UV Index (UVI) for Puerto Rico 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 Puerto Rico typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131313121198
Data source: Puerto Rico 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 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 May’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 May’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

Compare Puerto Rico's Climate with Cities Worldwide