Average water temperature in San Francisco
On this page you find the mean water temperature over the year in San Francisco (California), the United States of America. Discover when the water is at its warmest and coolest, perfect for planning your visit.
In San Francisco, water temperatures remain cool throughout the year. The warmest month is August, with an average water temperature of 14°C.
The coldest water temperature month is March, with an average temperature of 12°C. This temperature is not very suitable for swimming.
Forecast for San Francisco (CA)
Sun Jan 26
14°C | 7°C
NE 
5 m/s
5 m/s
almost clear and no rain
Mon Jan 27
15°C | 7°C
W 3 m/s
3 m/s
clear and no rain
Tue Jan 28
15°C | 7°C
W 4 m/s
4 m/s
almost clear and no rain
