July Weather in Puerto Rico, Mexico

Last updated: August 27, 2025

In Puerto Rico, Mexico, the average temperature in July hovers around 26°C (79°F), with a minimum dipping to 18°C (65°F) and a maximum soaring to 38°C (100°F). During this time, you can expect about 48 mm (1.9 in) of precipitation spread across 7 days, accompanied by a comfortable average humidity level of 75%. Enjoy the warm, tropical vibes!

July Temperature in Puerto Rico

In July in Puerto Rico, the average temperature is 26°C (79°F). Maximums can reach 38°C (100°F), and minimums can be as low as 18°C (65°F). Overall, it's a warm destination that offers a comfortable climate for outdoor activities and exploration.

July Weather in Puerto Rico: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Puerto Rico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Rico, July typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (100°F) and lows dropping to around 18°C (65°F).

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

July Precipitation in Puerto Rico

In Puerto Rico in July, the total precipitation amount is 48 mm (1.9 in) over a span of 7 days.

July Precipitation Trends in Puerto Rico

The chart displays monthly precipitation patterns in Puerto Rico, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Puerto Rico, July typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 7 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Puerto Rico

In Puerto Rico in July, 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.

July Average Humidity in Puerto Rico

This chart illustrates the average monthly humidity levels in Puerto Rico, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Puerto Rico is approximately 75%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Puerto Rico

In Puerto Rico in July, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Puerto Rico.

Maximum UV Index Levels in Puerto Rico for July

The chart shows the monthly maximum UV Index (UVI) for Puerto Rico in July, 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 July, the maximum UV index in Puerto Rico typically reaches 15, which falls under the extreme exposure category.

Data source: Puerto Rico July 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 July Weather in Puerto Rico Compares to Other Months

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

This table compares monthly weather conditions in Puerto Rico, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (73°F)	9 mm (0.4 inches)	76%	very high
February Weather	24°C (75°F)	5 mm (0.2 inches)	68%	extreme
March Weather	25°C (78°F)	4 mm (0.2 inches)	59%	extreme
April Weather	27°C (81°F)	12 mm (0.5 inches)	57%	extreme
May Weather	27°C (81°F)	97 mm (3.8 inches)	65%	extreme
June Weather	25°C (78°F)	223 mm (8.8 inches)	66%	extreme
July Weather	26°C (79°F)	48 mm (1.9 inches)	75%	extreme
August Weather	26°C (79°F)	106 mm (4.2 inches)	82%	extreme
September Weather	25°C (77°F)	212 mm (8.4 inches)	82%	extreme
October Weather	24°C (76°F)	197 mm (7.8 inches)	83%	extreme
November Weather	24°C (75°F)	37 mm (1.5 inches)	80%	very high
December Weather	23°C (73°F)	15 mm (0.6 inches)	76%	very high