Average Weather during August in San Francisco (California), United States of America

The average minimum temperature (usually the minimum temperature is noted during the night) in San Francisco in August is 12.0°C (53.6°F). The amount of rain in August is extremely low with an average of 1mm (0.0in). You can expect very pleasant temperatures during the day. The average maximum daytime temperature lies around 20.0°C (68°F). If you enjoy looking at a blue sky and love the sun than this is a great time to go to San Francisco with 287 hours of sun.


So what to wear in August? For visitors traveling to San Francisco we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. With a water temperature of around 14.0°C (57.2°F), there is no need to bring your swimwear.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in August look at the numbers below.

Monthly Averages

Show in Fahrenheit

Min Temperature 12 °C
Max Temperature 20 °C
Water Temperature 14 °C
Chance of Rain 3%
Precipitation 1mm
Rainy Days 1
Sunshine Hours 287

Where to stay in San Francisco

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Cycling
10/10
Walking
10/10
Barbeque
9/10
Camping
10/10
Outdoor sports
10/10

More Climate Information For San Francisco

Weather and Climate offers all the information you need to know about the climate in San Francisco.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in United States of America and climate and forecast data for all other countries in the world.