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May Weather in Juana Diaz, Puerto Rico

Last updated: August 31, 2025

In May, the average temperature in Juana Diaz, Puerto Rico is a pleasant 25°C (77°F), with minimums dipping to 22°C (72°F) and maximums reaching 29°C (85°F). Expect 62 mm (2.4 in) of precipitation spread over 17 days, accompanied by an average humidity of 76%. Perfect for those who enjoy a warm, humid climate!

May Temperature in Juana Diaz

In May in Juana Diaz, the average temperature is 25°C (77°F). Maximums can reach 29°C (85°F), while minimums can drop to as low as 22°C (72°F). This pleasant climate makes Juana Diaz an ideal destination for travelers seeking mild and enjoyable weather.

May Weather in Juana Diaz: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Juana Diaz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Juana Diaz, May typically has an average temperature of 25°C (77°F), with highs reaching up to 29°C (85°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec757575767779798079797776
Data source: Temperature data for Juana Diaz 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.

May Precipitation in Juana Diaz

In Juana Diaz in May, the precipitation amount is 62 mm (2.4 in) over the course of 17 days.

May Precipitation Trends in Juana Diaz

The chart displays monthly precipitation patterns in Juana Diaz, 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 Juana Diaz, May typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec26285350625583891581158831
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Juana Diaz

In Juana Diaz in May, humidity is 76%. With an average temperature of 25°C (77°F), this humidity feels like a warm, heavy blanket wrapping around you, making traveling feel muggy and requiring frequent breaks to stay refreshed.

May Average Humidity in Juana Diaz

This chart illustrates the average monthly humidity levels in Juana Diaz, 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 Juana Diaz is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%75%76%76%78%81%80%79%79%78%77%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Juana Diaz

In Juana Diaz in May, 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 Juana Diaz, you can check here.

Maximum UV Index Levels in Juana Diaz for May

The chart shows the monthly maximum UV Index (UVI) for Juana Diaz 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 Juana Diaz typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111314141313131412109
Data source: Juana Diaz 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 Juana Diaz Compares to Other Months

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

This table compares monthly weather conditions in Juana Diaz, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)26 mm (1.0 inches)76%very high
February Weather24°C (75°F)28 mm (1.1 inches)75%extreme
March Weather24°C (75°F)53 mm (2.1 inches)75%extreme
April Weather24°C (76°F)50 mm (2.0 inches)76%extreme
May Weather25°C (77°F)62 mm (2.4 inches)76%extreme
June Weather26°C (79°F)55 mm (2.2 inches)78%extreme
July Weather26°C (80°F)83 mm (3.3 inches)81%extreme
August Weather27°C (80°F)89 mm (3.5 inches)80%extreme
September Weather26°C (80°F)158 mm (6.2 inches)79%extreme
October Weather26°C (79°F)115 mm (4.5 inches)78%extreme
November Weather25°C (78°F)88 mm (3.5 inches)78%very high
December Weather25°C (76°F)31 mm (1.2 inches)77%very high

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