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August Weather in San Francisco, Argentina

Last updated: August 22, 2025

In August, the average temperature in San Francisco, Argentina hovers around 14°C (57°F). While the mercury can dip as low as -1°C (30°F), it can also peak at a warm 34°C (94°F). Expect approximately 14 mm (0.5 in) of precipitation spread over 3 days, with an average humidity level of 54%. Enjoy exploring the unique climate during this time!

August Temperature in San Francisco

In August in San Francisco, the average temperature is 14°C (57°F). The maximum can reach 34°C (94°F), and the minimum can be as low as -1°C (30°F). This variability makes San Francisco an exciting destination for travelers who enjoy experiencing a range of weather conditions.

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

The chart illustrates August 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, August typically has an average temperature of 14°C (57°F), with highs reaching up to 34°C (94°F) and lows dropping to around -1°C (30°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.

August Precipitation in San Francisco

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

August Precipitation Trends in San Francisco

The chart displays monthly precipitation patterns in San Francisco, 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 Francisco, August typically receives around 14 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec10570901206119191437898495
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in San Francisco

In San Francisco in August, humidity is 54%. With an average temperature of 14°C (57°F), this humidity feels like a mild embrace, making it comfortable for traveling with just a light jacket at hand.

August Average Humidity in San Francisco

This chart illustrates the average monthly humidity levels in San Francisco, 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 Francisco is approximately 54%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in San Francisco

In San Francisco in August, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in San Francisco, you can refer to this Hourly UV Index in San Francisco.

Maximum UV Index Levels in San Francisco for August

The chart shows the monthly maximum UV Index (UVI) for San Francisco 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 Francisco typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141312864569111414
Data source: San Francisco 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 Francisco Compares to Other Months

Weather in San Francisco varies notably across the year, with each month offering distinct climate conditions. This page compares August’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 August’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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