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August Weather in San Francisco, Colombia

Last updated: August 23, 2025

In August, the average temperature in San Francisco, Colombia is a pleasant 24°C (76°F), with minimums dipping to 15°C (60°F) and peak highs reaching 34°C (93°F). Expect 94 mm (3.7 in) of rainfall over about 12 days, contributing to the region's average humidity of around 80%. Be prepared for a mix of warm days and refreshing showers!

August Temperature in San Francisco

In August in San Francisco, the average temperature is 24°C (76°F). Maximum temperatures can reach 34°C (93°F), and minimums can drop as low as 15°C (60°F). This pleasant climate makes San Francisco an ideal destination for travelers seeking both warmth and comfort.

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 24°C (76°F), with highs reaching up to 34°C (93°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec727473737474757574737273
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 94 mm (3.7 in) spread over 12 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 94 mm (3.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1061012382522511035594147279425146
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 80%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace that can make exploring outdoors quite draining, so it's essential to stay hydrated and take breaks in the shade while traveling.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%77%80%83%88%87%85%80%80%85%87%83%
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 reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. 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 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516171514141514141312
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 Weather22°C (73°F)105 mm (4.2 inches)78%extreme
February Weather23°C (74°F)101 mm (4.0 inches)77%extreme
March Weather23°C (74°F)238 mm (9.4 inches)80%extreme
April Weather23°C (74°F)252 mm (9.9 inches)83%extreme
May Weather23°C (74°F)251 mm (9.9 inches)87%extreme
June Weather23°C (74°F)103 mm (4.1 inches)87%extreme
July Weather24°C (76°F)55 mm (2.2 inches)85%extreme
August Weather24°C (76°F)94 mm (3.7 inches)80%extreme
September Weather23°C (75°F)147 mm (5.8 inches)80%extreme
October Weather23°C (73°F)279 mm (11.0 inches)85%extreme
November Weather22°C (72°F)425 mm (16.7 inches)87%extreme
December Weather23°C (73°F)146 mm (5.7 inches)83%extreme

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