Average monthly water temperature in Half Moon Bay, the United States of America

On this page you find the mean water temperature over the year in Half Moon Bay (California), the United States of America. Discover the unique water temperature patterns, from its warmest to its coolest months.

Data from: San Francisco, the United States of America (17 KM, 10 Miles).

In Half Moon Bay, 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.

Half Moon Bay (CA) 3-Day Forecast

10-Day Forecast

More climate data for Half Moon Bay

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Half Moon Bay climate overview or explore weather in the United States of America.

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