US Geography / US Weather / California Weather / Brentwood |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 54 | 60 | 65 | 71 | 78 | 85 | 90 | 88 | 85 | 77 | 64 | 54 |
| Avg. Low | 35 | 40 | 42 | 45 | 50 | 55 | 56 | 56 | 54 | 48 | 42 | 36 |
| Mean | 45 | 50 | 54 | 58 | 65 | 71 | 74 | 74 | 70 | 64 | 54 | 45 |
| Avg. Precip. | 2.6 in | 2.1 in | 2.0 in | 0.9 in | 0.3 in | 0.1 in | 0.0 in | 0.1 in | 0.3 in | 0.9 in | 1.9 in | 1.9 in |
Degrees in Fahrenheit
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