August Weather in San Luis, Mexico

Last updated: August 27, 2025

In San Luis, Mexico, the average temperature in August hovers around 21°C (71°F), with comfortable lows of 17°C (62°F) and pleasant highs reaching up to 28°C (83°F). Enjoy the dry climate with minimal precipitation of only 5 mm (0.2 in) over 0 days, and experience a refreshing average humidity of 42%. Perfect for outdoor adventures!

August Temperature in San Luis

In August in San Luis, the average temperature is 21°C (71°F), with maximums reaching 28°C (83°F) and minimums dipping as low as 17°C (62°F). This pleasant climate makes San Luis an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates August temperature patterns in San Luis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Luis, August typically has an average temperature of 21°C (71°F), with highs reaching up to 28°C (83°F) and lows dropping to around 17°C (62°F).

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

August Precipitation in San Luis

In San Luis in August, the precipitation amount is 5 mm (0.2 in) during a span of 0 days.

August Precipitation Trends in San Luis

The chart displays monthly precipitation patterns in San Luis, 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 Luis, August typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 0 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 Luis

In San Luis in August humidity is 42%. With an average temperature of 21°C (71°F), this humidity feels like a comfortable embrace, making it an ideal time for traveling and exploring the surroundings without feeling weighed down by the heat.

August Average Humidity in San Luis

This chart illustrates the average monthly humidity levels in San Luis, 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 Luis is approximately 42%, 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 Luis

In San Luis in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in San Luis.

Maximum UV Index Levels in San Luis for August

The chart shows the monthly maximum UV Index (UVI) for San Luis 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 Luis typically reaches 11, which falls under the extreme exposure category.

Data source: San Luis 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 Luis Compares to Other Months

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

This table compares monthly weather conditions in San Luis, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (57°F)	60 mm (2.3 inches)	72%	moderate
February Weather	13°C (56°F)	75 mm (3.0 inches)	77%	high
March Weather	14°C (57°F)	57 mm (2.2 inches)	67%	very high
April Weather	15°C (60°F)	27 mm (1.1 inches)	56%	very high
May Weather	16°C (61°F)	26 mm (1.0 inches)	46%	extreme
June Weather	18°C (65°F)	7 mm (0.3 inches)	48%	extreme
July Weather	21°C (69°F)	5 mm (0.2 inches)	46%	extreme
August Weather	21°C (71°F)	5 mm (0.2 inches)	42%	extreme
September Weather	21°C (70°F)	6 mm (0.2 inches)	52%	very high
October Weather	19°C (67°F)	14 mm (0.6 inches)	58%	high
November Weather	17°C (62°F)	35 mm (1.4 inches)	66%	moderate
December Weather	14°C (58°F)	68 mm (2.7 inches)	74%	moderate