Ontario Weather

US Geography / US Weather / California Weather / Ontario

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg. High 67 68 70 75 80 87 94 94 90 84 74 68
Avg. Low 44 45 46 48 54 57 62 64 61 56 48 44
Mean 56 58 58 62 67 72 78 78 76 70 61 56
Avg. Precip. 3.3 in 3.1 in 2.9 in 1.1 in 0.3 in 0.0 in 0.0 in 0.1 in 0.4 in 0.4 in 1.9 in 2.3 in

Degrees in Fahrenheit

 

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