nomadseason

May Weather in Puerto Rico, Peru

Last updated: August 27, 2025

In Puerto Rico, Peru, the average temperature in May is a warm 25°C (78°F), with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 35°C (95°F). During this month, expect approximately 225 mm (8.9 in) of precipitation spread across 21 days, along with an average humidity of 86%.

May Temperature in Puerto Rico

In May in Puerto Rico, the average temperature is 25°C (78°F). Maximums can reach 35°C (95°F), while minimums can dip as low as 19°C (66°F). This pleasant weather makes it an ideal time for travelers to explore and enjoy all that Puerto Rico has to offer.

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 25°C (78°F), with highs reaching up to 35°C (95°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878787777767779797979
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 225 mm (8.9 in) recorded over the course of 21 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 225 mm (8.9 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec2522493462532251761238379167261230
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 86%. With an average temperature of 25°C (78°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities challenging and potentially uncomfortable for traveling.

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 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%76%81%86%86%70%47%37%42%62%76%89%
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.
JanFebMarAprMayJunJulAugSepOctNovDec151616161312111214151414
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 Weather26°C (78°F)252 mm (9.9 inches)80%extreme
February Weather26°C (79°F)249 mm (9.8 inches)76%extreme
March Weather25°C (78°F)345 mm (13.6 inches)81%extreme
April Weather25°C (78°F)253 mm (10.0 inches)86%extreme
May Weather25°C (78°F)225 mm (8.9 inches)86%extreme
June Weather25°C (77°F)176 mm (6.9 inches)70%extreme
July Weather24°C (76°F)123 mm (4.8 inches)47%extreme
August Weather25°C (78°F)83 mm (3.3 inches)37%extreme
September Weather26°C (79°F)79 mm (3.1 inches)42%extreme
October Weather26°C (79°F)167 mm (6.6 inches)62%extreme
November Weather26°C (79°F)261 mm (10.3 inches)76%extreme
December Weather26°C (79°F)230 mm (9.0 inches)89%extreme

Compare Puerto Rico's Climate with Cities Worldwide