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August Weather in San Luis, United States

Last updated: June 24, 2025

In San Luis, United States, the average temperature in August soars to a blistering 35°C (96°F). Expect a minimum of 24°C (75°F) and a sweltering maximum of 47°C (116°F). During this time, the area sees a modest precipitation of 6 mm (0.2 in) spread over 2 days, while the average humidity remains low at 33%. Stay cool and hydrated!

August Temperature in San Luis

In August in San Luis, the average temperature is 35°C (96°F). Maximums can reach 47°C (116°F), and minimums can dip as low as 24°C (75°F). Be prepared for hot weather and stay hydrated 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 35°C (96°F), with highs reaching up to 47°C (116°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec596167768190959689776858
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 6 mm (0.2 in) over the course of 2 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 6 mm (0.2 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec915193106620889
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 33%. With an average temperature of 35°C (96°F), this humidity feels like traveling through a warm, sultry haze that clings to your skin, making every step a bit more laborious and necessitating frequent breaks to stay hydrated.

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 33%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%76%65%50%33%28%28%33%50%61%70%78%
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 reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in San Luis.

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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110854
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 Weather15°C (59°F)9 mm (0.4 inches)73%moderate
February Weather16°C (61°F)15 mm (0.6 inches)76%high
March Weather20°C (68°F)19 mm (0.7 inches)65%very high
April Weather24°C (76°F)3 mm (0.1 inches)50%very high
May Weather27°C (81°F)1 mm (0.0 inches)33%extreme
June Weather32°C (90°F)0 mm (0.0 inches)28%extreme
July Weather35°C (96°F)6 mm (0.2 inches)28%extreme
August Weather35°C (96°F)6 mm (0.2 inches)33%extreme
September Weather32°C (89°F)20 mm (0.8 inches)50%very high
October Weather25°C (78°F)8 mm (0.3 inches)61%very high
November Weather20°C (68°F)8 mm (0.3 inches)70%moderate
December Weather14°C (58°F)9 mm (0.4 inches)78%moderate

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