May Weather in Puerto Rico

Last updated: March 2, 2024

The weather in Puerto Rico, Peru, during May is characterized by an average temperature of 25°C (78°F). Highs can soar to 34°C (93°F), while lows may dip to 19°C (67°F). Typically, the humidity level in Puerto Rico throughout May hovers around 86%.

19°C (67°F)

Minimum temperature

25°C (78°F)

Average temperature

34°C (93°F)

Maximum temperature

86%

Humidity

Precipitation and Sunshine hours

In May, Puerto Rico averages 225 mm (8.9 inches) of rainfall, typically over the course of 21 rainy days. The month enjoys an average of 11 hours 46 minutes of daylight, with the sun shining for approximately 9 hours 49 minutes each day. Additionally, there is a 43% probability of sunny days during this period.

225 mm (8.9 inches)

Precipitation

21 rainy days

Rainy days

9 hours 49 minutes

Sunshine hours

43%

Chance of sun

UV Index

In May, the UV Index in Puerto Rico reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 3 6 10 12 13 12 9 5 2 1 0 0
Exposure Low Moderate High VeryHigh Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 30 min 45 min

Compare Puerto Rico's Climate with Cities Worldwide