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Castro Valley, California, United States

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Ashland, California, United States

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Maderia Hill, United States

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Weather Radar in Castro Valley, California, United States

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FAQ

What are the average monthly temperatures in Castro Valley?

Average temperatures for Castro Valley:

Month	Min Temp	Max Temp
January	5.7°C (42.2°F)	14.7°C (58.4°F)
February	6.6°C (43.9°F)	16.4°C (61.6°F)
March	8.0°C (46.4°F)	18.5°C (65.4°F)
April	9.1°C (48.3°F)	21.0°C (69.8°F)
May	10.6°C (51.1°F)	22.3°C (72.2°F)
June	12.8°C (55.0°F)	25.9°C (78.5°F)
July	14.0°C (57.1°F)	26.7°C (80.1°F)
August	14.0°C (57.3°F)	27.0°C (80.5°F)
September	13.4°C (56.2°F)	27.4°C (81.3°F)
October	11.1°C (52.0°F)	23.9°C (75.1°F)
November	7.7°C (45.8°F)	18.0°C (64.4°F)
December	5.3°C (41.6°F)	14.2°C (57.6°F)

How much rain does Castro Valley get?

The average annual rainfall for Castro Valley is 434mm (17").

How much snow does Castro Valley get?

The average annual snowfall for Castro Valley is 0mm (0").