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July Weather in San Francisco, Mexico

Last updated: August 27, 2025

In July, the average temperature in San Francisco, Mexico hovers around 24°C (76°F). Expect a comfortable climate with minimum temperatures dipping to 17°C (62°F) and peaking at a warm 36°C (96°F). However, be prepared for some wet days, as the area experiences 91 mm (3.6 in) of precipitation over 19 days. With an average humidity level of 72%, it’s a perfect time to enjoy the vibrant atmosphere while staying hydrated!

July Temperature in San Francisco

In July in San Francisco, the average temperature is 24°C (76°F). The maximum can reach 36°C (96°F), while the minimum can drop to as low as 17°C (62°F). This mild climate makes it a great time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates July temperature patterns in San Francisco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Francisco, July typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (96°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec606469747776767674706561
Data source: Temperature data for San Francisco 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.

July Precipitation in San Francisco

In San Francisco in July, the total precipitation amount is 91 mm (3.6 in) spread over 19 days.

July Precipitation Trends in San Francisco

The chart displays monthly precipitation patterns in San Francisco, 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 Francisco, July typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec11131921551069175124113219
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in San Francisco

In San Francisco in July humidity is 72%. With an average temperature of 24°C (76°F), this humidity feels like a warm, muggy embrace that can make outdoor activities a bit uncomfortable, so travelers should stay hydrated and plan for frequent breaks in the shade.

July Average Humidity in San Francisco

This chart illustrates the average monthly humidity levels in San Francisco, 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 Francisco is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in San Francisco

In San Francisco in July, 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 Francisco, you can check here.

Maximum UV Index Levels in San Francisco for July

The chart shows the monthly maximum UV Index (UVI) for San Francisco 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 Francisco typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131413131413131197
Data source: San Francisco 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 Francisco Compares to Other Months

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

This table compares monthly weather conditions in San Francisco, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (60°F)11 mm (0.5 inches)88%very high
February Weather18°C (65°F)13 mm (0.5 inches)86%very high
March Weather20°C (69°F)19 mm (0.7 inches)83%extreme
April Weather23°C (74°F)21 mm (0.8 inches)80%extreme
May Weather25°C (78°F)55 mm (2.2 inches)82%extreme
June Weather25°C (77°F)106 mm (4.2 inches)79%extreme
July Weather24°C (76°F)91 mm (3.6 inches)72%extreme
August Weather24°C (76°F)75 mm (3.0 inches)74%extreme
September Weather23°C (74°F)124 mm (4.9 inches)84%extreme
October Weather21°C (70°F)113 mm (4.4 inches)92%extreme
November Weather18°C (65°F)21 mm (0.8 inches)91%very high
December Weather16°C (61°F)9 mm (0.3 inches)91%high

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