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August Weather in San Salvador, Peru

Last updated: August 27, 2025

In San Salvador, Peru, the average temperature in August hovers around 7°C (45°F), with a potential minimum plunge to -4°C (25°F) and a max rise to 17°C (64°F). Expect about 65 mm (2.6 in) of precipitation over 16 days, complemented by an average humidity of 44%. Be prepared for a mix of chilly and damp days!

August Temperature in San Salvador

In August in San Salvador, the average temperature is 7°C (45°F). Maximums can reach 17°C (64°F), while minimums can drop as low as -4°C (25°F). Travelers should be prepared for chilly conditions and pack layers to stay comfortable during their visit.

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

The chart illustrates August temperature patterns in San Salvador, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Salvador, August typically has an average temperature of 7°C (45°F), with highs reaching up to 17°C (64°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec484848474645444546484949
Data source: Temperature data for San Salvador 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 Salvador

In San Salvador in August, the precipitation amount is 65 mm (2.6 in), occurring over a span of 16 days.

August Precipitation Trends in San Salvador

The chart displays monthly precipitation patterns in San Salvador, 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 Salvador, August typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec1902662031307363506590127156254
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in San Salvador

In San Salvador in August humidity is 44%. With an average temperature of 7°C (45°F), this humidity feels like a crisp chill in the air, where the dampness accentuates the coolness, making it essential to dress in layers for comfort while exploring.

August Average Humidity in San Salvador

This chart illustrates the average monthly humidity levels in San Salvador, 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 Salvador is approximately 44%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%92%90%88%77%55%44%51%64%84%93%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in San Salvador

In San Salvador 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 San Salvador, you can check here.

Maximum UV Index Levels in San Salvador for August

The chart shows the monthly maximum UV Index (UVI) for San Salvador 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 Salvador typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec221919171411131417182220
Data source: San Salvador 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 Salvador Compares to Other Months

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

This table compares monthly weather conditions in San Salvador, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)189 mm (7.5 inches)94%extreme
February Weather9°C (48°F)266 mm (10.5 inches)92%extreme
March Weather9°C (48°F)203 mm (8.0 inches)92%extreme
April Weather8°C (47°F)129 mm (5.1 inches)90%extreme
May Weather8°C (46°F)73 mm (2.9 inches)88%extreme
June Weather7°C (45°F)63 mm (2.5 inches)77%extreme
July Weather7°C (44°F)50 mm (2.0 inches)55%extreme
August Weather7°C (45°F)65 mm (2.6 inches)44%extreme
September Weather8°C (46°F)90 mm (3.5 inches)51%extreme
October Weather9°C (48°F)127 mm (5.0 inches)64%extreme
November Weather10°C (49°F)156 mm (6.1 inches)84%extreme
December Weather9°C (49°F)254 mm (10.0 inches)93%extreme

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