July Weather in San Fernando, Mexico

Last updated: August 27, 2025

In San Fernando, Mexico, the average temperature in July hovers around 30°C (86°F), with a minimum dipping to 22°C (72°F) and a maximum soaring up to 41°C (107°F). Expect some humid days, with an average humidity of 68% and about 86 mm (3.4 in) of precipitation spread across 10 days. Enjoy the warmth, but don’t forget your umbrella!

July Temperature in San Fernando

In July in San Fernando, the average temperature is 30°C (86°F). Maximums can reach 41°C (107°F), and minimums can be as low as 22°C (72°F). Be prepared for hot weather when traveling to San Fernando during this time.

July Weather in San Fernando: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in San Fernando, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Fernando, July typically has an average temperature of 30°C (86°F), with highs reaching up to 41°C (107°F) and lows dropping to around 22°C (72°F).

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

July Precipitation in San Fernando

In San Fernando in July, the precipitation amount is 86 mm (3.4 in) over the course of 10 days.

July Precipitation Trends in San Fernando

The chart displays monthly precipitation patterns in San Fernando, 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 San Fernando, July typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 10 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 San Fernando

In San Fernando in July humidity is 68%. With an average temperature of 30°C (86°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel sultry and exhausting, yet it can also encourage you to seek out refreshing drinks and shaded spots as you explore the vibrant surroundings.

July Average Humidity in San Fernando

This chart illustrates the average monthly humidity levels in San Fernando, 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 San Fernando is approximately 68%, 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 San Fernando

In San Fernando in July, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Fernando.

Maximum UV Index Levels in San Fernando for July

The chart shows the monthly maximum UV Index (UVI) for San Fernando 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 San Fernando typically reaches 12, which falls under the extreme exposure category.

Data source: San Fernando 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 San Fernando Compares to Other Months

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

This table compares monthly weather conditions in San Fernando, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	24 mm (0.9 inches)	84%	high
February Weather	19°C (67°F)	16 mm (0.6 inches)	83%	very high
March Weather	22°C (73°F)	36 mm (1.4 inches)	78%	extreme
April Weather	25°C (78°F)	30 mm (1.2 inches)	81%	extreme
May Weather	28°C (83°F)	58 mm (2.3 inches)	82%	extreme
June Weather	29°C (85°F)	72 mm (2.9 inches)	74%	extreme
July Weather	30°C (86°F)	86 mm (3.4 inches)	68%	extreme
August Weather	30°C (87°F)	25 mm (1.0 inches)	67%	extreme
September Weather	28°C (83°F)	109 mm (4.3 inches)	75%	extreme
October Weather	25°C (77°F)	87 mm (3.4 inches)	78%	very high
November Weather	21°C (70°F)	33 mm (1.3 inches)	83%	very high
December Weather	18°C (66°F)	13 mm (0.5 inches)	86%	high