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August Weather in Chalchuapa, El Salvador

Last updated: August 23, 2025

In Chalchuapa, El Salvador, the average temperature in August is a pleasant 24°C (76°F). You can expect a minimum of 18°C (64°F) and a maximum of 33°C (92°F). However, be prepared for some rain, as the region receives an average precipitation of 223 mm (8.8 in) over 22 days. With an average humidity of 79%, the climate can feel quite warm and tropical.

August Temperature in Chalchuapa

In August in Chalchuapa, the average temperature is 24°C (76°F), with maximums reaching 33°C (92°F) and minimums dipping to as low as 18°C (64°F). This mild climate makes Chalchuapa an ideal destination for travelers seeking comfortable weather and pleasant outdoor activities.

August Weather in Chalchuapa: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Chalchuapa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chalchuapa, August typically has an average temperature of 24°C (76°F), with highs reaching up to 33°C (92°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec727475777675777675747473
Data source: Temperature data for Chalchuapa 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 Chalchuapa

In Chalchuapa in August, the total precipitation amount is 223 mm (8.8 in), spread over the course of 22 days.

August Precipitation Trends in Chalchuapa

The chart displays monthly precipitation patterns in Chalchuapa, 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 Chalchuapa, August typically receives around 223 mm (8.8 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec45656237330103223320281406
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Chalchuapa

In Chalchuapa in August, humidity is 79%. With an average temperature of 24°C (76°F), this humidity feels like a thick blanket wrapped around you, making traveling somewhat uncomfortable and sticky, as you navigate through the warmth while constantly seeking shade and hydration.

August Average Humidity in Chalchuapa

This chart illustrates the average monthly humidity levels in Chalchuapa, 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 Chalchuapa is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%62%59%59%59%68%78%79%77%77%75%67%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Chalchuapa

In Chalchuapa 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 Chalchuapa.

Maximum UV Index Levels in Chalchuapa for August

The chart shows the monthly maximum UV Index (UVI) for Chalchuapa 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 Chalchuapa typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131414141414131313109
Data source: Chalchuapa 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 Chalchuapa Compares to Other Months

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

This table compares monthly weather conditions in Chalchuapa, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)4 mm (0.2 inches)63%extreme
February Weather23°C (74°F)5 mm (0.2 inches)62%extreme
March Weather24°C (76°F)6 mm (0.2 inches)59%extreme
April Weather25°C (77°F)56 mm (2.2 inches)59%extreme
May Weather24°C (76°F)237 mm (9.3 inches)59%extreme
June Weather24°C (75°F)330 mm (13.0 inches)68%extreme
July Weather25°C (77°F)103 mm (4.1 inches)77%extreme
August Weather24°C (76°F)223 mm (8.8 inches)79%extreme
September Weather24°C (75°F)320 mm (12.6 inches)77%extreme
October Weather23°C (74°F)281 mm (11.0 inches)77%extreme
November Weather23°C (74°F)40 mm (1.6 inches)75%very high
December Weather23°C (73°F)6 mm (0.3 inches)66%very high

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