July Weather in San Fernando, Mexico

Last updated: August 27, 2025

In San Fernando, Mexico during July, the average temperature is a pleasant 24°C (75°F). Be prepared for a minimum of 18°C (64°F) and a maximum of 34°C (93°F), perfect for enjoying the season. However, expect heavy precipitation, with an average of 289 mm (11.4 in) spread over 29 days, resulting in a humidity level of 79%. Make sure to pack accordingly!

July Temperature in San Fernando

In July in San Fernando, the average temperature is 24°C (75°F). Maximums can reach 34°C (93°F), while minimums can drop to as low as 18°C (64°F). This mild and pleasant weather makes San Fernando an ideal destination for outdoor activities and sightseeing.

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 24°C (75°F), with highs reaching up to 34°C (93°F) and lows dropping to around 18°C (64°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 total precipitation amount is 289 mm (11.4 in) spread over 29 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 289 mm (11.4 inches) of precipitation spread over approximately 29 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 San Fernando

In San Fernando in July, humidity is 79%. With an average temperature of 24°C (75°F), this humidity feels like a warm, tropical embrace, making traveling quite sticky and requiring ample hydration and light clothing to keep comfortable while exploring.

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 79%, 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 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 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 13, 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	18°C (65°F)	28 mm (1.1 inches)	64%	very high
February Weather	19°C (66°F)	39 mm (1.5 inches)	57%	very high
March Weather	20°C (69°F)	2 mm (0.1 inches)	46%	extreme
April Weather	21°C (71°F)	1 mm (0.0 inches)	42%	extreme
May Weather	23°C (74°F)	9 mm (0.3 inches)	51%	extreme
June Weather	24°C (76°F)	146 mm (5.7 inches)	74%	extreme
July Weather	24°C (75°F)	289 mm (11.4 inches)	79%	extreme
August Weather	24°C (75°F)	313 mm (12.3 inches)	81%	extreme
September Weather	23°C (74°F)	344 mm (13.5 inches)	84%	extreme
October Weather	23°C (74°F)	153 mm (6.0 inches)	75%	extreme
November Weather	21°C (70°F)	24 mm (0.9 inches)	71%	very high
December Weather	19°C (66°F)	26 mm (1.0 inches)	74%	high