Average water temperature in San Bruno
On this page you find the mean water temperature over the year in San Bruno (California), the United States of America. Understand how water temperatures vary throughout the year.
Water temperatures in San Bruno stay on the cooler side throughout the year. The warmest month, August, averages 14°C.
The coldest water temperature month is March, averaging 12°C. These cooler conditions are not the best for swimming enthusiasts.
Forecast for San Bruno (CA)
4 m/s
broken clouds and chance of slight rain
10 m/s
partly cloudy and rain
4 m/s
almost clear and no rain
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