US Geography / US Weather / California Weather / Mill Valley |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 55 | 61 | 64 | 68 | 75 | 81 | 84 | 84 | 81 | 74 | 64 | 55 |
| Avg. Low | 38 | 42 | 44 | 44 | 47 | 50 | 51 | 51 | 51 | 48 | 44 | 40 |
| Mean | 48 | 52 | 54 | 57 | 61 | 66 | 68 | 68 | 67 | 62 | 54 | 48 |
| Avg. Precip. | 7.5 in | 6.9 in | 2.8 in | 0.7 in | 0.3 in | 0.1 in | 0.1 in | 0.5 in | 2.9 in | 7.9 in | 8.4 in |
Degrees in Fahrenheit
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