Average monthly water temperature in San Carlos, the United States of America
On this page you find the mean water temperature over the year in San Carlos (California), the United States of America. Discover when the water is at its warmest and coolest, perfect for planning your visit.
In San Carlos, cooler water temperatures are a year-round feature. The warmest month is June, averaging 14°C (57°F).
The coldest month, January, sees averages of 12°C (54°F). This does not make it a great month for visitors who enjoy swimming.