San Francisco Weather in August

August is one of the perfect months to visit San Francisco, with daytime temperatures of 29°C (84°F) and lows of 22°C (72°F) at night. Rainfall is minimal, averaging just 4.9 mm (0.2 in) for the month.

Rainfall in San Francisco in August

Looking at the last 30 years, the data shows about 2 days with rain, averaging 4.9 mm (0.2 in) for the month. When rain does fall, showers tend to be light and brief. Most days will be dry.

Temperature in San Francisco in August

San Francisco has perfect weather in August, with days reaching 29°C (84°F) and nights cooling to 22°C (72°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights remain mild at 22°C (72°F), making evenings a pleasant time to be outdoors. This month tends to be the warmest of the year. Light, comfortable clothing will serve you well.

Sunshine in San Francisco in August

There are approximately 317 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in San Francisco in August

August has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.

Average water temperature in August

At 24°C (75°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit San Francisco.

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For a detailed overview over the year and the best time to visit Spain, check out our San Francisco's climate page.

San Francisco Temperature in August

Min Temperature 22°C (72°F)  

Max Temperature 29°C (84°F)  

Water Temperature 24°C (75°F) *  

Chance of Rain 8%  

Precipitation 4.9 mm (0.2 in)  

Rainy days 2 days  

Humidity 63% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 317 hours *  

Percentage Sunshine 80% *  

* Data from: Málaga, Spain (17 KM, 10 Miles).

What to Wear in San Francisco in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. The water temperature sits at about 24°C (75°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in San Francisco in August

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

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Spain, check out our San Francisco's climate page.

More climate data for San Francisco

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full San Francisco climate overview or explore weather in Spain.