US Geography / US Weather / California Weather / Norco |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 67 | 68 | 70 | 75 | 78 | 85 | 92 | 92 | 88 | 82 | 74 | 67 |
| Avg. Low | 40 | 41 | 44 | 45 | 50 | 54 | 58 | 60 | 57 | 51 | 44 | 38 |
| Mean | 54 | 56 | 57 | 61 | 65 | 70 | 75 | 76 | 74 | 67 | 58 | 54 |
| Avg. Precip. | 2.3 in | 2.4 in | 2.0 in | 0.8 in | 0.3 in | 0.0 in | 0.0 in | 0.1 in | 0.4 in | 0.3 in | 1.5 in | 1.7 in |
Degrees in Fahrenheit
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