July Weather in Guayama, Puerto Rico

Last updated: August 31, 2025

In July, the average temperature in Guayama, Puerto Rico hovers around 27°C (80°F). Expect a minimum of 24°C (75°F) and a maximum of 29°C (85°F), making it a warm climate to enjoy. However, be prepared for some rain, as precipitation averages 139 mm (5.5 in) over 26 days. With an average humidity of 81%, it’s wise to stay hydrated while soaking up the beautiful weather!

July Temperature in Guayama

In July in Guayama, the average temperature is 27°C (80°F). The maximum can reach 29°C (85°F), while the minimum can be as low as 24°C (75°F). This pleasant and warm weather makes it an ideal time for traveling and exploring the beauty of Guayama.

July Weather in Guayama: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Guayama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guayama, July typically has an average temperature of 27°C (80°F), with highs reaching up to 29°C (85°F) and lows dropping to around 24°C (75°F).

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

July Precipitation in Guayama

In Guayama in July, the total precipitation amount is 139 mm (5.5 in) spread out over 26 days.

July Precipitation Trends in Guayama

The chart displays monthly precipitation patterns in Guayama, 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 Guayama, July typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 26 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Guayama

In Guayama in July, humidity is 81%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket wrapping around you, making travel feel sticky and heavy, but the vibrant atmosphere can still be invigorating, inviting moments of exploration in slower, more deliberate steps.

July Average Humidity in Guayama

This chart illustrates the average monthly humidity levels in Guayama, 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 Guayama is approximately 81%, 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 Guayama

In Guayama in July, 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 Guayama.

Maximum UV Index Levels in Guayama for July

The chart shows the monthly maximum UV Index (UVI) for Guayama 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 Guayama typically reaches 13, which falls under the extreme exposure category.

Data source: Guayama 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 Guayama Compares to Other Months

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

This table compares monthly weather conditions in Guayama, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	48 mm (1.9 inches)	76%	very high
February Weather	24°C (76°F)	51 mm (2.0 inches)	75%	extreme
March Weather	24°C (76°F)	64 mm (2.5 inches)	75%	extreme
April Weather	25°C (77°F)	67 mm (2.7 inches)	76%	extreme
May Weather	25°C (78°F)	97 mm (3.8 inches)	76%	extreme
June Weather	26°C (79°F)	92 mm (3.6 inches)	78%	extreme
July Weather	27°C (80°F)	139 mm (5.5 inches)	81%	extreme
August Weather	27°C (81°F)	134 mm (5.3 inches)	80%	extreme
September Weather	27°C (81°F)	190 mm (7.5 inches)	79%	extreme
October Weather	27°C (80°F)	165 mm (6.5 inches)	78%	extreme
November Weather	26°C (79°F)	119 mm (4.7 inches)	78%	very high
December Weather	25°C (77°F)	67 mm (2.6 inches)	77%	very high