Average monthly rainy days in Castro Valley (CA)

The number of days each month with rain, snow and hail in Castro Valley (California), the United States of America.

Castro Valley has dry periods in June, July, August and September.
On average, December is the most rainy with 13 days of rain/snow.
On average, July is the driest month with 0 rainy days.
The average annual number of rainy days is 72.

Forecast for Castro Valley (CA)

Mon May 06

17°C | 7°C

25 km/h

almost clear and no rain

hourly forecast

Tue May 07

19°C | 11°C

22 km/h

almost clear and no rain

hourly forecast

Wed May 08

25°C | 11°C

22 km/h

clear and no rain

hourly forecast

5-Day Forecast 10-Day Forecast

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