nomadseason

July Weather in San Bruno, Mexico

Last updated: August 26, 2025

In July, the average temperature in San Bruno, Mexico hovers around 31°C (88°F). While you can expect minimum temperatures of 26°C (79°F), be prepared for highs reaching up to 38°C (100°F). The region experiences approximately 8 mm (0.3 in) of precipitation spread over 2 days, coupled with an average humidity level of 60%.

July Temperature in San Bruno

In July in San Bruno, the average temperature is 31°C (88°F), with maximums reaching 38°C (100°F) and minimums dipping to 26°C (79°F). This warm weather makes it an ideal time for travelers seeking sunny adventures and outdoor activities.

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

The chart illustrates July 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, July typically has an average temperature of 31°C (88°F), with highs reaching up to 38°C (100°F) and lows dropping to around 26°C (79°F).
JanFebMarAprMayJunJulAugSepOctNovDec626266727683878884797163
Data source: Temperature data for San Bruno generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in San Bruno

In San Bruno in July, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

July Precipitation Trends in San Bruno

The chart displays monthly precipitation patterns in San Bruno, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In San Bruno, July typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec1058001814396109
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in San Bruno

In San Bruno in July, humidity is 60%. With an average temperature of 31°C (88°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel heavier and more exhausting, potentially leading travelers to seek shade and hydration more frequently.

July Average Humidity in San Bruno

This chart illustrates the average monthly humidity levels in San Bruno, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in San Bruno is approximately 60%, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in San Bruno

In San Bruno in July, 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 July

The chart shows the monthly maximum UV Index (UVI) for San Bruno in July, 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 July, the maximum UV index in San Bruno typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810121212121212975
Data source: San Bruno July 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 July 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 July’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 July’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

Compare San Bruno's Climate with Cities Worldwide