August Weather in Union de San Antonio, Mexico

Last updated: August 27, 2025

In Union de San Antonio, Mexico, the average temperature in August hovers around 21°C (69°F). Expect a comfortable range, with minimums of 13°C (55°F) and maximums reaching 31°C (87°F). However, be prepared for a splash of rain, as the area experiences 137 mm (5.4 in) of precipitation over about 18 days. With an average humidity of 68%, it's a month of warm days and refreshing showers.

August Temperature in Union de San Antonio

In August in Union de San Antonio, the average temperature is 21°C (69°F). Maximums can reach 31°C (87°F), while minimums can drop as low as 13°C (55°F). This pleasant weather makes Union de San Antonio an ideal destination for travelers looking to enjoy comfortable temperatures and outdoor activities.

August Weather in Union de San Antonio: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Union de San Antonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Union de San Antonio, August typically has an average temperature of 21°C (69°F), with highs reaching up to 31°C (87°F) and lows dropping to around 13°C (55°F).

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

August Precipitation in Union de San Antonio

In Union de San Antonio in August, the total precipitation amount is 137 mm (5.4 in) over the course of 18 days.

August Precipitation Trends in Union de San Antonio

The chart displays monthly precipitation patterns in Union de San Antonio, 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 Union de San Antonio, August typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 18 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 Union de San Antonio

In Union de San Antonio in August humidity is 68%. With average temperature 21°C (69°F), this humidity feels like a warm embrace, making it essential for travelers to stay hydrated and take breaks in the shade while exploring the local sights.

August Average Humidity in Union de San Antonio

This chart illustrates the average monthly humidity levels in Union de San Antonio, 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 Union de San Antonio 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 Union de San Antonio

In Union de San Antonio 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 Union de San Antonio, you can check here.

Maximum UV Index Levels in Union de San Antonio for August

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

Data source: Union de San Antonio 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 Union de San Antonio Compares to Other Months

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

This table compares monthly weather conditions in Union de San Antonio, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (60°F)	7 mm (0.3 inches)	74%	very high
February Weather	18°C (64°F)	9 mm (0.4 inches)	65%	extreme
March Weather	21°C (70°F)	4 mm (0.2 inches)	58%	extreme
April Weather	23°C (73°F)	1 mm (0.1 inches)	58%	extreme
May Weather	24°C (75°F)	29 mm (1.2 inches)	67%	extreme
June Weather	23°C (73°F)	152 mm (6.0 inches)	76%	extreme
July Weather	20°C (69°F)	173 mm (6.8 inches)	67%	extreme
August Weather	21°C (69°F)	137 mm (5.4 inches)	68%	extreme
September Weather	20°C (68°F)	139 mm (5.5 inches)	81%	extreme
October Weather	20°C (68°F)	48 mm (1.9 inches)	83%	extreme
November Weather	18°C (64°F)	14 mm (0.6 inches)	84%	very high
December Weather	15°C (60°F)	6 mm (0.2 inches)	81%	very high