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August Weather in San Antonio, Peru

Last updated: August 27, 2025

In August, the average temperature in San Antonio, Peru hovers around 26°C (79°F). You'll experience a comfortable range, with minimums dipping to 16°C (61°F) and maximums soaring to 35°C (95°F). Be prepared for some rain, as the area sees about 120 mm (4.7 in) of precipitation over 17 days. Don't forget your sunscreen and umbrella—the average humidity sits at a balmy 59%!

August Temperature in San Antonio

In August, in San Antonio, the average temperature is 26°C (79°F). The maximum can reach 35°C (95°F), while the minimum can drop to as low as 16°C (61°F). This pleasant weather makes San Antonio an ideal destination for travelers seeking a comfortable climate.

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

The chart illustrates August temperature patterns in 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 San Antonio, August typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (95°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979797878777979797979
Data source: Temperature data for San Antonio generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in San Antonio

In San Antonio in August, the precipitation amount is 120 mm (4.7 in) spread over the course of 17 days.

August Precipitation Trends in San Antonio

The chart displays monthly precipitation patterns in 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 San Antonio, August typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec275279322322242184149120170202239320
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in San Antonio

In San Antonio in August humidity is 59%. With average temperature 26°C (79°F), this humidity feels like a warm embrace that clings to your skin, making outdoor adventures feel sultry yet inviting as you explore the vibrant sights and sounds of the area.

August Average Humidity in San Antonio

This chart illustrates the average monthly humidity levels in 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 San Antonio is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%79%82%85%91%85%74%59%55%57%74%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in San Antonio

In San Antonio in August, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Antonio.

Maximum UV Index Levels in San Antonio for August

The chart shows the monthly maximum UV Index (UVI) for 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 San Antonio typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161312111214141313
Data source: 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 San Antonio Compares to Other Months

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

This table compares monthly weather conditions in San Antonio, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)275 mm (10.8 inches)83%extreme
February Weather26°C (79°F)278 mm (11.0 inches)78%extreme
March Weather26°C (79°F)322 mm (12.7 inches)82%extreme
April Weather26°C (79°F)322 mm (12.7 inches)85%extreme
May Weather26°C (79°F)242 mm (9.5 inches)91%extreme
June Weather26°C (78°F)184 mm (7.2 inches)85%extreme
July Weather25°C (78°F)149 mm (5.9 inches)74%extreme
August Weather26°C (79°F)120 mm (4.7 inches)59%extreme
September Weather26°C (80°F)170 mm (6.7 inches)55%extreme
October Weather26°C (80°F)202 mm (8.0 inches)57%extreme
November Weather26°C (80°F)239 mm (9.4 inches)74%extreme
December Weather26°C (79°F)320 mm (12.6 inches)87%extreme

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