August Weather in San Antonio, Paraguay

Last updated: August 31, 2025

In San Antonio, Paraguay, the average temperature in August is a pleasant 19°C (67°F). Temperatures can vary significantly, with a minimum of 2°C (36°F) and a maximum of 38°C (101°F). Rainfall is relatively light, with an average precipitation of 54 mm (2.1 in) spread over just 4 days. Moreover, you'll find the weather to be fairly comfortable, with an average humidity of 40%.

August Temperature in San Antonio

In August in San Antonio, the average temperature is 19°C (67°F). Maximum temperatures can reach 38°C (101°F), while minimums can dip as low as 2°C (36°F). Be prepared for a wide range of temperatures when traveling during this time, ensuring you pack accordingly for both warm days and cooler nights.

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 19°C (67°F), with highs reaching up to 38°C (101°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec828178746865636772757881
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 total precipitation amount is 54 mm (2.1 in) over the course of 4 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 54 mm (2.1 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1309010712913578505478199160111
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 40%. With an average temperature of 19°C (67°F), this humidity feels like a comfortable, pleasant environment for traveling, allowing for enjoyable outdoor activities without feeling overly sticky or overheated.

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 40%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%75%80%80%67%61%41%46%49%72%82%
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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14141310756810131414
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 Weather28°C (83°F)130 mm (5.1 inches)80%extreme
February Weather27°C (81°F)90 mm (3.6 inches)74%extreme
March Weather26°C (79°F)107 mm (4.2 inches)75%extreme
April Weather23°C (74°F)129 mm (5.1 inches)80%very high
May Weather20°C (68°F)135 mm (5.3 inches)80%high
June Weather18°C (65°F)78 mm (3.1 inches)67%moderate
July Weather17°C (63°F)49 mm (1.9 inches)61%high
August Weather19°C (67°F)54 mm (2.1 inches)40%very high
September Weather22°C (73°F)78 mm (3.1 inches)46%very high
October Weather24°C (76°F)199 mm (7.8 inches)49%extreme
November Weather26°C (79°F)160 mm (6.3 inches)72%extreme
December Weather27°C (81°F)110 mm (4.3 inches)82%extreme

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