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August Weather in San Luis, Peru

Last updated: August 27, 2025

In August, the average temperature in San Luis, Peru hovers around 8°C (47°F). Expect temperatures to range from a chilly -2°C (28°F) to a comfortable 19°C (66°F). This month typically sees 43 mm (1.7 in) of precipitation spread across 10 days, with an average humidity of 34%. Perfect for those who enjoy a crisp climate!

August Temperature in San Luis

In August in San Luis, the average temperature is 8°C (47°F). The maximum can reach 19°C (66°F), and the minimum can be as low as -2°C (28°F). It's advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates August temperature patterns in San Luis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Luis, August typically has an average temperature of 8°C (47°F), with highs reaching up to 19°C (66°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec484948484847464647484949
Data source: Temperature data for San Luis 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 Luis

In San Luis in August, the precipitation amount is 43 mm (1.7 in) over a span of 10 days.

August Precipitation Trends in San Luis

The chart displays monthly precipitation patterns in San Luis, 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 Luis, August typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec2402232711608745364397179222250
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in San Luis

In San Luis in August humidity is 34%. With an average temperature of 8°C (47°F), this humidity feels like a crisp, refreshing breeze that keeps you comfortable while exploring, making it an ideal time for outdoor adventures without the discomfort of excessive moisture in the air.

August Average Humidity in San Luis

This chart illustrates the average monthly humidity levels in San Luis, 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 Luis is approximately 34%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%86%89%89%86%71%44%34%37%50%73%91%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in San Luis

In San Luis 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 Luis, you can check here.

Maximum UV Index Levels in San Luis for August

The chart shows the monthly maximum UV Index (UVI) for San Luis 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 Luis typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec181919181513141417181717
Data source: San Luis 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 Luis Compares to Other Months

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

This table compares monthly weather conditions in San Luis, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)240 mm (9.4 inches)88%extreme
February Weather9°C (49°F)223 mm (8.8 inches)86%extreme
March Weather9°C (48°F)271 mm (10.7 inches)89%extreme
April Weather9°C (48°F)160 mm (6.3 inches)89%extreme
May Weather9°C (48°F)87 mm (3.4 inches)86%extreme
June Weather8°C (47°F)45 mm (1.8 inches)71%extreme
July Weather8°C (46°F)36 mm (1.4 inches)44%extreme
August Weather8°C (47°F)43 mm (1.7 inches)34%extreme
September Weather8°C (47°F)97 mm (3.8 inches)37%extreme
October Weather9°C (48°F)179 mm (7.1 inches)50%extreme
November Weather9°C (49°F)222 mm (8.7 inches)73%extreme
December Weather9°C (49°F)250 mm (9.9 inches)91%extreme

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