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August Weather in San Francisco, Nicaragua

Last updated: August 31, 2025

In August, the average temperature in San Francisco, Nicaragua hovers around 29°C (84°F). Expect a comfortable minimum of 23°C (74°F) and the potential for highs reaching 37°C (99°F). However, prepare for some rain, as 298 mm (11.7 in) of precipitation can fall over 21 days, contributing to a humid atmosphere with an average humidity of 79%.

August Temperature in San Francisco

In August in San Francisco, the average temperature is 29°C (84°F). Maximums can reach 37°C (99°F), and minimums can drop to as low as 23°C (74°F). This makes it an ideal time for travelers seeking warm weather and outdoor activities.

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 29°C (84°F), with highs reaching up to 37°C (99°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec858687868483858382818385
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 total precipitation amount is 298 mm (11.7 in) over the course of 21 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 298 mm (11.7 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec446352573611252983414171036
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 79%. With an average temperature of 29°C (84°F), this humidity feels like a steamy blanket enveloping you, making every step feel heavier and more labored, which can be quite challenging for 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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%62%59%59%59%68%78%79%77%77%75%67%
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 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. 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 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131313109
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 Weather29°C (85°F)4 mm (0.2 inches)63%extreme
February Weather30°C (86°F)4 mm (0.2 inches)62%extreme
March Weather30°C (87°F)6 mm (0.2 inches)59%extreme
April Weather30°C (86°F)35 mm (1.4 inches)59%extreme
May Weather29°C (84°F)257 mm (10.1 inches)59%extreme
June Weather28°C (83°F)361 mm (14.2 inches)68%extreme
July Weather30°C (85°F)125 mm (4.9 inches)77%extreme
August Weather29°C (84°F)298 mm (11.7 inches)79%extreme
September Weather28°C (82°F)341 mm (13.4 inches)77%extreme
October Weather27°C (82°F)417 mm (16.4 inches)77%extreme
November Weather28°C (83°F)103 mm (4.1 inches)75%very high
December Weather29°C (85°F)6 mm (0.2 inches)66%very high

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