July Weather in Penas Negras, Mexico

Last updated: August 27, 2025

In July, the average temperature in Penas Negras, Mexico is a pleasant 24°C (76°F). Expect a minimum of 18°C (65°F) and a maximum of 33°C (91°F), providing a delightful range for outdoor activities. However, be prepared for precipitation totaling 279 mm (11.0 in) spread over 29 days, contributing to the region's average humidity of 79%.

July Temperature in Penas Negras

In July in Penas Negras, the average temperature is 24°C (76°F). Maximums can reach 33°C (91°F), while minimums can drop to as low as 18°C (65°F). This creates a comfortable climate for travelers, making it an ideal time to explore the area.

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

The chart illustrates July temperature patterns in Penas Negras, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Penas Negras, July typically has an average temperature of 24°C (76°F), with highs reaching up to 33°C (91°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec737476787976767575757473
Data source: Temperature data for Penas Negras 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.

July Precipitation in Penas Negras

In Penas Negras in July, the precipitation amount is 279 mm (11.0 in) distributed over 29 days.

July Precipitation Trends in Penas Negras

The chart displays monthly precipitation patterns in Penas 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 Penas Negras, July typically receives around 279 mm (11.0 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec53591023302794344632953314
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Penas Negras

In Penas Negras in July, humidity is 79%. With an average temperature of 24°C (76°F), this humidity feels like a thick blanket wrapped around you, making traveling somewhat uncomfortable and sticky, as you navigate through the warmth while constantly seeking shade and hydration.

July Average Humidity in Penas Negras

This chart illustrates the average monthly humidity levels in Penas 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 Penas Negras is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%59%62%73%78%79%82%82%79%72%70%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Penas Negras

In Penas Negras in July, 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 Penas Negras, you can check here.

Maximum UV Index Levels in Penas Negras for July

The chart shows the monthly maximum UV Index (UVI) for Penas 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 Penas Negras typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414131412109
Data source: Penas 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 Penas Negras Compares to Other Months

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

This table compares monthly weather conditions in Penas Negras, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)5 mm (0.2 inches)65%very high
February Weather24°C (75°F)3 mm (0.1 inches)61%extreme
March Weather25°C (77°F)5 mm (0.2 inches)59%extreme
April Weather26°C (78°F)9 mm (0.4 inches)62%extreme
May Weather26°C (79°F)102 mm (4.0 inches)73%extreme
June Weather24°C (76°F)330 mm (13.0 inches)78%extreme
July Weather24°C (76°F)279 mm (11.0 inches)79%extreme
August Weather24°C (75°F)434 mm (17.1 inches)82%extreme
September Weather24°C (75°F)463 mm (18.2 inches)82%extreme
October Weather24°C (75°F)295 mm (11.6 inches)79%extreme
November Weather23°C (74°F)33 mm (1.3 inches)72%very high
December Weather23°C (73°F)14 mm (0.5 inches)70%very high

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