Climate - Petaluma - California
| Jan | Feb | March | April | May | June | |
|---|---|---|---|---|---|---|
| Average high in °F | 58 | 63 | 65 | 70 | 74 | 79 |
| Average low in °F | 39 | 41 | 42 | 44 | 47 | 50 |
| Av. precipitation - inch | 5.39 | 5.31 | 3.86 | 1.42 | 0.63 | 0.16 |
| July | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|
| Average high in °F | 83 | 83 | 82 | 77 | 66 | 58 |
| Average low in °F | 52 | 52 | 51 | 47 | 42 | 38 |
| Av. precipitation - inch | 0.04 | 0.08 | 0.28 | 1.38 | 3.5 | 3.82 |
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Petaluma Climate Graph - California Climate Chart
Totals and averages
| Annual average high temperature | 71.5 °F |
| Annual average low temperature | 45.6 °F |
| Average temperature | 58.5 °F |
| Average annual precipitation | 25.9 in. |