Castro Valley Weather

US Geography / US Weather / California Weather / Castro Valley

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg. High 57 60 62 66 68 72 74 75 76 72 64 57
Avg. Low 40 42 44 44 47 51 52 54 54 50 45 40
Mean 48 52 54 55 58 62 64 65 65 62 55 48
Avg. Precip. 4.8 in 3.7 in 3.9 in 1.9 in 0.4 in 0.3 in 0.1 in 0.1 in 0.4 in 1.9 in 3.9 in 3.9 in

Degrees in Fahrenheit

 

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