May Weather in Monte Grande, Puerto Rico

Last updated: August 31, 2025

In May, the average temperature in Monte Grande, Puerto Rico is a pleasant 26°C (79°F), with the minimum dipping to 23°C (73°F) and peaking at a warm 30°C (86°F). Expect moderate rainfall, with an average precipitation of 59 mm (2.3 in) spread over 12 days, while humidity hovers at a comfortable 76%. Enjoy the tropical climate and plan accordingly!

May Temperature in Monte Grande

In May in Monte Grande, the average temperature is 26°C (79°F), with maximums reaching 30°C (86°F) and minimums dropping to as low as 23°C (73°F). This pleasant climate makes Monte Grande an ideal destination for travelers seeking warm and comfortable weather.

May Weather in Monte Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Monte Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monte Grande, May typically has an average temperature of 26°C (79°F), with highs reaching up to 30°C (86°F) and lows dropping to around 23°C (73°F).

Data source: Temperature data for Monte Grande generated using information from the Copernicus Climate Change Service.

May Precipitation in Monte Grande

In Monte Grande in May, the precipitation amount is 59 mm (2.3 in) occurring over the course of 12 days.

May Precipitation Trends in Monte Grande

The chart displays monthly precipitation patterns in Monte Grande, 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 Monte Grande, May typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Monte Grande

In Monte Grande 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 Monte Grande

This chart illustrates the average monthly humidity levels in Monte Grande, 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 Monte Grande is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Monte Grande

In Monte Grande 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 Monte Grande, you can check here.

Maximum UV Index Levels in Monte Grande for May

The chart shows the monthly maximum UV Index (UVI) for Monte Grande 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 Monte Grande typically reaches 14, which falls under the extreme exposure category.

Data source: Monte Grande 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 Monte Grande Compares to Other Months

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

This table compares monthly weather conditions in Monte Grande, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	18 mm (0.7 inches)	76%	very high
February Weather	25°C (77°F)	26 mm (1.0 inches)	75%	extreme
March Weather	24°C (76°F)	49 mm (1.9 inches)	75%	extreme
April Weather	25°C (77°F)	49 mm (1.9 inches)	76%	extreme
May Weather	26°C (79°F)	59 mm (2.3 inches)	76%	extreme
June Weather	27°C (80°F)	53 mm (2.1 inches)	78%	extreme
July Weather	27°C (81°F)	86 mm (3.4 inches)	81%	extreme
August Weather	27°C (81°F)	96 mm (3.8 inches)	80%	extreme
September Weather	27°C (81°F)	159 mm (6.2 inches)	79%	extreme
October Weather	27°C (80°F)	102 mm (4.0 inches)	78%	extreme
November Weather	26°C (79°F)	91 mm (3.6 inches)	78%	very high
December Weather	26°C (78°F)	25 mm (1.0 inches)	77%	very high