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August Weather in San Antonio, Panama

Last updated: August 27, 2025

In San Antonio, Panama, the average temperature in August is a warm 27°C (80°F), with a minimum of 23°C (73°F) and a peak of 34°C (93°F). Be prepared for plenty of rain, as 275 mm (10.8 in) of precipitation can fall over the course of 29 days, contributing to the region's high humidity of 79%.

August Temperature in San Antonio

In August in San Antonio, the average temperature is 27°C (80°F). Maximums can reach 34°C (93°F), while minimums can drop to as low as 23°C (73°F). This mild and warm weather makes San Antonio an ideal destination for travelers seeking pleasant conditions.

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 27°C (80°F), with highs reaching up to 34°C (93°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec808283838180808079797980
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 275 mm (10.8 in) spread over a period of 29 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 275 mm (10.8 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec29987929530329027531434428095
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 79%. With an average temperature of 27°C (80°F), this humidity feels like walking through a warm, dense blanket, making travel feel sluggish and allowing every step to become noticeably heavier.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%74%76%78%83%80%79%78%77%79%79%
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 reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. 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 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314151513131313131210
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 Weather27°C (80°F)29 mm (1.1 inches)76%extreme
February Weather28°C (82°F)9 mm (0.4 inches)75%extreme
March Weather28°C (83°F)8 mm (0.3 inches)74%extreme
April Weather28°C (83°F)79 mm (3.1 inches)76%extreme
May Weather27°C (81°F)295 mm (11.6 inches)78%extreme
June Weather27°C (80°F)303 mm (11.9 inches)83%extreme
July Weather27°C (80°F)290 mm (11.4 inches)79%extreme
August Weather27°C (80°F)275 mm (10.8 inches)79%extreme
September Weather26°C (80°F)314 mm (12.4 inches)78%extreme
October Weather26°C (79°F)343 mm (13.5 inches)77%extreme
November Weather26°C (79°F)280 mm (11.0 inches)79%extreme
December Weather27°C (80°F)95 mm (3.7 inches)79%very high

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