July Weather in San Isidro, Mexico

Last updated: August 27, 2025

In July, the average temperature in San Isidro, Mexico hovers around 19°C (66°F), offering a comfortable climate. Expect minimum temperatures to drop to 12°C (53°F), while it can peak at a warm 30°C (87°F). With an average humidity of 67%, be prepared for a bit of mugginess. Rainfall averages 103 mm (4.1 in) over 15 days, so don’t forget your umbrella!

July Temperature in San Isidro

In July in San Isidro, the average temperature is 19°C (66°F), with maximums reaching up to 30°C (87°F) and minimums dropping as low as 12°C (53°F). This pleasant temperature range makes San Isidro an ideal destination for travelers looking to explore comfortably during this time of year.

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

The chart illustrates July temperature patterns in San Isidro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Isidro, July typically has an average temperature of 19°C (66°F), with highs reaching up to 30°C (87°F) and lows dropping to around 12°C (53°F).

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

July Precipitation in San Isidro

In San Isidro in July, the precipitation amount is 103 mm (4.1 in) during a span of 15 days.

July Precipitation Trends in San Isidro

The chart displays monthly precipitation patterns in San Isidro, 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 Isidro, July typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 15 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 Isidro

In San Isidro in July humidity is 67%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace that envelops you as you travel, making each step a little heavier but still comfortable enough to explore the vibrant surroundings.

July Average Humidity in San Isidro

This chart illustrates the average monthly humidity levels in San Isidro, 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 Isidro is approximately 67%, 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 Isidro

In San Isidro 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 San Isidro, you can check here.

Maximum UV Index Levels in San Isidro for July

The chart shows the monthly maximum UV Index (UVI) for San Isidro 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 Isidro typically reaches 14, which falls under the extreme exposure category.

Data source: San Isidro 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 Isidro Compares to Other Months

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

This table compares monthly weather conditions in San Isidro, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	5 mm (0.2 inches)	74%	very high
February Weather	16°C (60°F)	7 mm (0.3 inches)	65%	extreme
March Weather	18°C (64°F)	10 mm (0.4 inches)	58%	extreme
April Weather	20°C (69°F)	11 mm (0.4 inches)	58%	extreme
May Weather	22°C (71°F)	35 mm (1.4 inches)	67%	extreme
June Weather	20°C (68°F)	139 mm (5.5 inches)	76%	extreme
July Weather	19°C (66°F)	103 mm (4.1 inches)	67%	extreme
August Weather	19°C (67°F)	89 mm (3.5 inches)	68%	extreme
September Weather	18°C (65°F)	125 mm (4.9 inches)	81%	extreme
October Weather	17°C (63°F)	61 mm (2.4 inches)	83%	extreme
November Weather	15°C (58°F)	19 mm (0.7 inches)	84%	very high
December Weather	13°C (56°F)	6 mm (0.2 inches)	81%	very high