July Weather in San Francisco

Last updated: March 2, 2024

The weather in San Francisco, Mexico, during July is characterized by an average temperature of 20°C (69°F). Highs can soar to 28°C (82°F), while lows may dip to 13°C (56°F). Typically, the humidity level in San Francisco throughout July hovers around 61%.

13°C (56°F)

Minimum temperature

20°C (69°F)

Average temperature

28°C (82°F)

Maximum temperature

61%

Humidity

Precipitation and Sunshine hours

In July, San Francisco averages 104 mm (4.1 inches) of rainfall, typically over the course of 22 rainy days. The month enjoys an average of 12 hours 59 minutes of daylight, with the sun shining for approximately 10 hours 45 minutes each day. Additionally, there is a 21% probability of sunny days during this period.

104 mm (4.1 inches)

Precipitation

22 rainy days

Rainy days

10 hours 45 minutes

Sunshine hours

21%

Chance of sun

UV Index

In July, the UV Index in San Francisco reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 1 3 7 10 13 14 13 11 7 4 2 1
Exposure Low Moderate High VeryHigh Extreme High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 25 min 30 min 45 min

Compare San Francisco's Climate with Cities Worldwide