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July Weather in San Francisco, Argentina

Last updated: August 22, 2025

In July, the average temperature in San Francisco, Argentina is a comfortable 11°C (53°F). Temperatures can vary significantly, with a minimum of -3°C (28°F) and a maximum reaching 31°C (89°F). Expect a moderate amount of precipitation at 19 mm (0.8 in) over 4 days, while the average humidity sits at a pleasant 58%.

July Temperature in San Francisco

In July in San Francisco, the average temperature is 11°C (53°F). Maximum temperatures can reach 31°C (89°F), while the minimum can drop as low as -3°C (28°F). This wide range of temperatures makes it essential for travelers to pack accordingly to ensure comfort during their stay.

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 11°C (53°F), with highs reaching up to 31°C (89°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec777571675954535762677376
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 precipitation amount is 19 mm (0.8 in) over a span of 4 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 19 mm (0.8 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec10570901206119191437898495
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 58%. With an average temperature of 11°C (53°F), this humidity feels like a crisp, invigorating chill that enhances the experience of traveling, making layers essential for comfort while exploring the sights.

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 58%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%57%65%76%83%78%58%54%59%50%53%57%
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 reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in San Francisco.

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 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141312864569111414
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 Weather25°C (78°F)105 mm (4.1 inches)51%extreme
February Weather24°C (75°F)70 mm (2.8 inches)57%extreme
March Weather22°C (72°F)90 mm (3.5 inches)65%extreme
April Weather19°C (67°F)120 mm (4.7 inches)76%very high
May Weather15°C (59°F)61 mm (2.4 inches)83%high
June Weather12°C (54°F)19 mm (0.7 inches)78%moderate
July Weather11°C (53°F)19 mm (0.8 inches)58%moderate
August Weather14°C (57°F)14 mm (0.5 inches)54%high
September Weather17°C (63°F)37 mm (1.5 inches)59%very high
October Weather19°C (67°F)89 mm (3.5 inches)50%extreme
November Weather23°C (73°F)84 mm (3.3 inches)53%extreme
December Weather24°C (76°F)95 mm (3.7 inches)57%extreme

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