May Weather in El Negro, Puerto Rico

Last updated: August 31, 2025

In May, the average temperature in El Negro, Puerto Rico hovers around 26°C (79°F), creating a pleasantly warm atmosphere. Temperatures can dip to a minimum of 23°C (74°F) and reach a maximum of 29°C (84°F). However, be prepared for some rain, as 101 mm (4.0 in) of precipitation can be expected over 25 days, accompanied by an average humidity of 76%.

May Temperature in El Negro

In May in El Negro, the average temperature is 26°C (79°F). The maximum can reach 29°C (84°F), and the minimum can be as low as 23°C (74°F). This mild and pleasant weather makes El Negro an ideal destination for travelers seeking comfortable conditions.

May Weather in El Negro: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in El Negro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Negro, May typically has an average temperature of 26°C (79°F), with highs reaching up to 29°C (84°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec777676777980818181817978
Data source: Temperature data for El Negro 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 El Negro

In El Negro in May, the total precipitation amount is 101 mm (4.0 in) spread over 25 days.

May Precipitation Trends in El Negro

The chart displays monthly precipitation patterns in El Negro, 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 El Negro, May typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec5254706910110314514819517912975
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in El Negro

In El Negro in May humidity is 76%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities challenging and requiring frequent breaks to hydrate and cool down during your travels.

May Average Humidity in El Negro

This chart illustrates the average monthly humidity levels in El Negro, 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 El Negro 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 El Negro

In El Negro 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 El Negro.

Maximum UV Index Levels in El Negro for May

The chart shows the monthly maximum UV Index (UVI) for El Negro 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 El Negro typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131213141299
Data source: El Negro 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 El Negro Compares to Other Months

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

This table compares monthly weather conditions in El Negro, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)52 mm (2.0 inches)76%very high
February Weather25°C (76°F)54 mm (2.1 inches)75%extreme
March Weather25°C (77°F)70 mm (2.8 inches)75%extreme
April Weather25°C (78°F)69 mm (2.7 inches)76%extreme
May Weather26°C (79°F)101 mm (4.0 inches)76%extreme
June Weather27°C (80°F)103 mm (4.1 inches)78%extreme
July Weather27°C (81°F)145 mm (5.7 inches)81%extreme
August Weather27°C (81°F)148 mm (5.8 inches)80%extreme
September Weather27°C (82°F)195 mm (7.7 inches)79%extreme
October Weather27°C (81°F)179 mm (7.1 inches)78%extreme
November Weather26°C (80°F)129 mm (5.1 inches)78%very high
December Weather26°C (78°F)75 mm (2.9 inches)77%very high

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