Average monthly water temperature in San Mateo, the United States of America

On this page you find the mean water temperature over the year in San Mateo (California), the United States of America. Take a closer look at the water temperature patterns and what they mean for swimming and recreation.

Data from: San Francisco, the United States of America (10 KM, 6 Miles).

Water temperatures in San Mateo stay on the cooler side throughout the year. The warmest month, June, averages 14°C (57°F).

The coldest water temperature month is January, averaging 12°C (54°F). These cooler conditions are not the best for swimming enthusiasts.

San Mateo (CA) 3-Day Forecast

10-Day Forecast

More climate data for San Mateo

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full San Mateo climate overview or explore weather in the United States of America.

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