‹ San Francisco weather by month
Typical August weather
San Francisco
California · August
68° days
56° nights
rain is rare · 13½ hours of daylight · ocean 64°
What to pack
- Light jacket
What August feels like
August looks like July with slightly warmer water and slightly shorter mornings under the marine layer. Outside Lands hits Golden Gate Park in the second week and is a reliably cold, damp party — regulars dress like it is November.
Rain is genuinely rare — most years, August stays dry start to finish.
Can you swim?
The ocean runs about 64° — cold — a quick dip takes resolve.
The numbers
| Typical high | 68° |
|---|---|
| Typical low | 56° |
| Days with real rain | 0 |
| Total rain | 0.1 in |
| Water temperature | 64° |
| Sunrise / sunset (mid-month) | 6:25 am / 8:02 pm |