July Weather in Piedras Negras, Mexico

Last updated: August 27, 2025

In Piedras Negras, Mexico, the average temperature in July reaches a warm 28°C (82°F). You can expect a minimum of 21°C (71°F) and a balmy maximum of 36°C (97°F). The month brings about 252 mm (9.9 in) of precipitation, spread over 23 days, contributing to an average humidity of 81%. Perfect for those who enjoy a tropical climate!

July Temperature in Piedras Negras

In July in Piedras Negras, the average temperature is 28°C (82°F). Maximums can reach 36°C (97°F), while minimums can drop to as low as 21°C (71°F). Overall, this makes it a great time for travelers seeking warm weather and plenty of sunshine.

July Weather in Piedras Negras: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Piedras Negras, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Piedras Negras, July typically has an average temperature of 28°C (82°F), with highs reaching up to 36°C (97°F) and lows dropping to around 21°C (71°F).

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

July Precipitation in Piedras Negras

In Piedras Negras in July, the precipitation amount is 252 mm (9.9 in) over a span of 23 days.

July Precipitation Trends in Piedras Negras

The chart displays monthly precipitation patterns in Piedras Negras, 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 Piedras Negras, July typically receives around 252 mm (9.9 inches) of precipitation spread over approximately 23 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 Piedras Negras

In Piedras Negras in July, humidity is 81%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapped around you, making traveling somewhat uncomfortable as the air thickens, leaving you longing for a refreshing breeze.

July Average Humidity in Piedras Negras

This chart illustrates the average monthly humidity levels in Piedras Negras, 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 Piedras Negras 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 Piedras Negras

In Piedras Negras 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 Piedras Negras.

Maximum UV Index Levels in Piedras Negras for July

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

Data source: Piedras Negras 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 Piedras Negras Compares to Other Months

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

This table compares monthly weather conditions in Piedras Negras, 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 (72°F)	44 mm (1.7 inches)	88%	very high
February Weather	23°C (74°F)	37 mm (1.4 inches)	86%	extreme
March Weather	25°C (78°F)	32 mm (1.2 inches)	84%	extreme
April Weather	28°C (82°F)	27 mm (1.1 inches)	81%	extreme
May Weather	29°C (85°F)	96 mm (3.8 inches)	82%	extreme
June Weather	28°C (83°F)	299 mm (11.8 inches)	81%	extreme
July Weather	28°C (82°F)	252 mm (9.9 inches)	81%	extreme
August Weather	28°C (82°F)	260 mm (10.2 inches)	82%	extreme
September Weather	27°C (82°F)	332 mm (13.1 inches)	86%	extreme
October Weather	26°C (80°F)	207 mm (8.1 inches)	90%	extreme
November Weather	24°C (76°F)	86 mm (3.4 inches)	91%	very high
December Weather	23°C (73°F)	19 mm (0.8 inches)	91%	high