August Weather in San Francisco, Bolivia

Last updated: August 22, 2025

In August, the average temperature in San Francisco, Bolivia hovers around 11°C (52°F). Visitors can expect a range from a chilly -4°C (26°F) to a warm 28°C (82°F). With an average precipitation of 23 mm (0.9 in) spread over 5 days and a low average humidity of 33%, it’s a great time to explore the outdoors!

August Temperature in San Francisco

In August in San Francisco, the average temperature is 11°C (52°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop as low as -4°C (26°F). It's advisable to pack layers to stay comfortable during your travels.

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 11°C (52°F), with highs reaching up to 28°C (82°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec616059575451505256596060
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 23 mm (0.9 in) over the course of 5 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 23 mm (0.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec174225185112442124235390126249
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 33%. With an average temperature of 11°C (52°F), this humidity feels like a crisp and invigorating breeze, making it a refreshing time for traveling and exploring the outdoors.

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 33%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%82%82%69%49%33%42%49%78%87%
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 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 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 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1717161411891214171818
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 Weather16°C (61°F)174 mm (6.8 inches)87%extreme
February Weather15°C (60°F)225 mm (8.9 inches)81%extreme
March Weather15°C (59°F)185 mm (7.3 inches)78%extreme
April Weather14°C (57°F)112 mm (4.4 inches)82%extreme
May Weather12°C (54°F)43 mm (1.7 inches)82%extreme
June Weather11°C (52°F)21 mm (0.8 inches)69%very high
July Weather10°C (51°F)24 mm (0.9 inches)49%very high
August Weather11°C (52°F)23 mm (0.9 inches)33%extreme
September Weather14°C (57°F)53 mm (2.1 inches)42%extreme
October Weather15°C (60°F)90 mm (3.5 inches)49%extreme
November Weather16°C (60°F)126 mm (4.9 inches)78%extreme
December Weather16°C (60°F)249 mm (9.8 inches)87%extreme

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