City in California, United States
Half Moon Bay
Weather & Forecast
Half Moon Bay is a coastal city in San Mateo County, California, United States, approximately 25 miles south of San Francisco. Its population was 11,795 as of the 2020 census. Immediately north of Half Moon Bay is Pillar Point Harbor and the unincorporated community of Princeton-by-the-Sea. Half Moon Bay is known for Mavericks, a big-wave surf location. It is called Half Moon Bay because of its crescent shape.Wikipedia
Temperatures stay relatively steady year-round. Most rain falls in winter. Month-to-month temperature changes stay relatively modest. Humidity stays elevated through most of the year.
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Where It Is
State Context
CaliforniaU.S. stateCalifornia is a state in the Western United States. It is bordered by Oregon to the north, the Mexican state of Baja California to the south, Nevada to the east, Arizona to the southeast, and the Pacific Ocean to the west. With a population of over 39 million across an area of 163,696 square miles (423,970 km2), it is the most populous U.S. state and the third largest by land area.Wikipedia
About the Region
CaliforniaCalifornia includes coastal metropolitan areas, the Central Valley, mountain communities, and desert cities. The Bay Area and Los Angeles are major urban examples, but neither represents the full range of places within the state.
Coastal influence, elevation, and inland location can produce very different temperature and rainfall patterns. Housing costs, transport, and access to services vary between cities and neighborhoods. Use the city’s own figures rather than treating statewide conditions as a local forecast or budget.
Nearby Parks & Nature
Closest protected landscapes, reserves, and big park systems surfaced from the same nearby feeds used in compare.
Federal Park Sites
Local Nature & Reserves
City Profile
Housing Costs & Income
Livability
Not a citywide average. Walkability varies by address.
37.46400, -122.42850 · Updated 2026-08-17
Walk Score · view mapped locationClimate Through the Year
Annual average of days with more than five hours of sunshine, not necessarily clear skies.
Comfort combines temperature band fit, humidity fit, seasonal swing, and penalties for long stretches of extreme heat or cold. Higher scores mean the yearly pattern stays closer to an easier day-to-day climate band.
Natural Hazard Risk
Local Next Steps
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