San Francisco, United States

San Francisco in August

United States Updated 2026-07-01

August looks like July on the thermometer, though the fog thins slightly later in the month and the eastern neighbourhoods get real sun by early afternoon.

Is August a good time to visit San Francisco?

August is one of the busiest months in San Francisco, at about 84/100. If you can move your dates, January is far calmer.

What’s on in August

  • Outside Lands festival in Golden Gate Park

Best days in August

Weekdays are almost always calmer than weekends.

Sun
Mon
Tue
Wed
Thu
Fri
Sat

Tue is normally the calmest day of the week.

Best hours in August

The daily rhythm, hour by hour.

Calmest 9AM
12AM6AM12PM6PM11PM

The 9:00 AM window is usually the calmest of the day.

Weather in August

Typical highs, lows and wet days.

J 14°
F 15°
M 16°
A 17° 10°
M 18° 11°
J 19° 12°
J 19° 13°
A 20° 13°
S 21° 13°
O 20° 12°
N 17° 10°
D 14°
Average high Average low Wet days

How August compares

Every month in San Francisco, ranked by how calm it is.

Quieter alternatives

If your dates are flexible, these months are calmer in San Francisco.

Book things to do

Tours and tickets in San Francisco, from our booking partner.

Affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes a crowd score or the order of our recommendations.

Frequently asked questions

Is August a good month to visit San Francisco?

August is one of the busiest months in San Francisco, at about 84/100. If you can move your dates, January is far calmer.

How crowded is San Francisco in August?

San Francisco sits at roughly 84/100 in August on our crowd scale, which is 19 points above the yearly average. The quietest month is January.

What is the weather like in San Francisco in August?

Expect highs around 20°C and lows near 13°C in August, with about 1 wet days across the month.

Other months in San Francisco