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August Weather in San Bruno, Mexico

Last updated: August 26, 2025

In San Bruno, Mexico during August, the average temperature reaches a warm 31°C (88°F), with minimum values dipping to 24°C (75°F) and peaks soaring to 38°C (100°F). Expect about 14 mm (0.5 in) of precipitation spread over 3 days, coupled with an average humidity of 73%. Stay prepared for a tropical experience!

August Temperature in San Bruno

In August in San Bruno, the average temperature is 31°C (88°F), with maximums reaching 38°C (100°F) and minimums dropping to 24°C (75°F). This warm weather makes it an ideal time for travelers seeking sun and outdoor activities.

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

The chart illustrates August temperature patterns in San Bruno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Bruno, August typically has an average temperature of 31°C (88°F), with highs reaching up to 38°C (100°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec626266727683878884797163
Data source: Temperature data for San Bruno 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 Bruno

In San Bruno in August, the precipitation amount is 14 mm (0.5 in) over the course of 3 days.

August Precipitation Trends in San Bruno

The chart displays monthly precipitation patterns in San Bruno, 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 Bruno, August typically receives around 14 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec1058001814396109
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in San Bruno

In San Bruno in August, humidity is 73%. With an average temperature of 31°C (88°F), this humidity feels like walking through a dense fog, making travel sticky and draining as every breath carries the weight of the warm, moist air.

August Average Humidity in San Bruno

This chart illustrates the average monthly humidity levels in San Bruno, 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 Bruno is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%66%59%52%51%51%61%73%76%72%72%72%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in San Bruno

In San Bruno in August, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Bruno.

Maximum UV Index Levels in San Bruno for August

The chart shows the monthly maximum UV Index (UVI) for San Bruno 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 Bruno typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810121212121212975
Data source: San Bruno 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 Bruno Compares to Other Months

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

This table compares monthly weather conditions in San Bruno, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (62°F)10 mm (0.4 inches)71%high
February Weather17°C (63°F)5 mm (0.2 inches)66%very high
March Weather19°C (66°F)8 mm (0.3 inches)58%very high
April Weather22°C (72°F)0 mm (0.0 inches)52%extreme
May Weather24°C (76°F)0 mm (0.0 inches)51%extreme
June Weather29°C (84°F)1 mm (0.0 inches)51%extreme
July Weather31°C (88°F)8 mm (0.3 inches)60%extreme
August Weather31°C (88°F)14 mm (0.5 inches)73%extreme
September Weather29°C (85°F)39 mm (1.6 inches)76%extreme
October Weather26°C (79°F)6 mm (0.2 inches)72%very high
November Weather22°C (71°F)10 mm (0.4 inches)72%high
December Weather17°C (63°F)9 mm (0.4 inches)72%moderate

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