Unincorporated community in California, United States
Castro Valley
Weather & Forecast
Castro Valley is a census-designated place (CDP) in Alameda County, California, United States. At the 2020 census, it was the fourth most populous unincorporated area in California. The population was 66,441 at the 2020 census.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
Housing Costs & Income
Livability
Mixed day-to-day convenience.
Climate 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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Common Comparisons
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