August Weather in San Isidro, Mexico

Last updated: August 27, 2025

In August, the average temperature in San Isidro, Mexico is a comfortable 19°C (67°F), with a minimum dipping to 12°C (53°F) and peaking at a warm 31°C (88°F). Expect some rain, as 89 mm (3.5 in) of precipitation falls over about 14 days. With an average humidity of 68%, it’s a month that balances warmth with a touch of moisture in the air.

August Temperature in San Isidro

In August in San Isidro, the average temperature is 19°C (67°F), with maximums reaching 31°C (88°F) and minimums dropping as low as 12°C (53°F). It's an ideal time for travelers to enjoy mild weather while exploring the local attractions.

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

The chart illustrates August 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, August typically has an average temperature of 19°C (67°F), with highs reaching up to 31°C (88°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.

August Precipitation in San Isidro

In San Isidro in August, the precipitation amount is 89 mm (3.5 in) over a span of 14 days.

August Precipitation Trends in San Isidro

The chart displays monthly precipitation patterns in San Isidro, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In San Isidro, August typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in San Isidro

In San Isidro in August, humidity is 68%. With an average temperature of 19°C (67°F), this humidity feels like a warm, enveloping blanket, making travel pleasant yet slightly muggy, which can be refreshing while exploring but may require occasional breaks to stay comfortable.

August Average Humidity in San Isidro

This chart illustrates the average monthly humidity levels in San Isidro, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in San Isidro is approximately 68%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in San Isidro

In San Isidro in August, 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 August

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

Data source: San Isidro August 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 August 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 August’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 August’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