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May Weather in Hatillo, Puerto Rico

Last updated: August 31, 2025

In Hatillo, Puerto Rico, the average temperature in May hovers around 26°C (79°F). Temperatures can vary, with a minimum of 22°C (73°F) and a maximum reaching up to 32°C (91°F). During this month, expect about 98 mm (3.9 in) of precipitation spread over 16 days and an average humidity of 75%.

May Temperature in Hatillo

In May, in Hatillo, the average temperature is 26°C (79°F), with maximums reaching up to 32°C (91°F) and minimums dropping as low as 22°C (73°F). This pleasant climate makes Hatillo an ideal destination for travelers seeking warm and comfortable weather.

May Weather in Hatillo: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Hatillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hatillo, May typically has an average temperature of 26°C (79°F), with highs reaching up to 32°C (91°F) and lows dropping to around 22°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec767576777980818181807877
Data source: Temperature data for Hatillo 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 Hatillo

In Hatillo in May, the total precipitation amount is 98 mm (3.9 in) recorded over a span of 16 days.

May Precipitation Trends in Hatillo

The chart displays monthly precipitation patterns in Hatillo, 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 Hatillo, May typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec4147877998909110420516210945
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hatillo

In Hatillo in May, humidity is 75%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapped around you, making traveling a sticky experience where every step requires extra effort and frequent breaks to cool off.

May Average Humidity in Hatillo

This chart illustrates the average monthly humidity levels in Hatillo, 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 Hatillo is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%75%77%80%80%79%78%78%76%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hatillo

In Hatillo 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 Hatillo, you can check here.

Maximum UV Index Levels in Hatillo for May

The chart shows the monthly maximum UV Index (UVI) for Hatillo 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 Hatillo typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131314131313131298
Data source: Hatillo 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 Hatillo Compares to Other Months

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

This table compares monthly weather conditions in Hatillo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)41 mm (1.6 inches)76%very high
February Weather24°C (76°F)47 mm (1.8 inches)75%extreme
March Weather24°C (76°F)87 mm (3.4 inches)74%extreme
April Weather25°C (77°F)79 mm (3.1 inches)75%extreme
May Weather26°C (79°F)98 mm (3.9 inches)75%extreme
June Weather27°C (80°F)90 mm (3.5 inches)77%extreme
July Weather27°C (81°F)91 mm (3.6 inches)80%extreme
August Weather27°C (81°F)104 mm (4.1 inches)80%extreme
September Weather27°C (81°F)205 mm (8.1 inches)79%extreme
October Weather27°C (80°F)161 mm (6.4 inches)78%extreme
November Weather26°C (79°F)109 mm (4.3 inches)78%very high
December Weather25°C (77°F)45 mm (1.8 inches)76%very high

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