Silverado, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 54.8 °F (low) to 75.2 °F (high). Annual precipitation averages 20.6 Inches. Silverado is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 49.7 °F | 64.6 °F | 3.68 in. |
| February | 48.0 °F | 64.6 °F | 5.53 in. |
| March | 48.8 °F | 67.6 °F | 3.7 in. |
| April | 50.0 °F | 71.2 °F | 1.23 in. |
| May | 53.0 °F | 74.8 °F | 0.42 in. |
| June | 56.9 °F | 80.4 °F | 0.11 in. |
| July | 61.8 °F | 86.8 °F | 0.15 in. |
| August | 63.8 °F | 89.0 °F | 0.03 in. |
| September | 63.1 °F | 87.0 °F | 0.18 in. |
| October | 59.0 °F | 79.8 °F | 0.89 in. |
| November | 54.4 °F | 72.2 °F | 1.47 in. |
| December | 49.4 °F | 64.4 °F | 3.22 in. |
| Annual | 54.8 °F | 75.2 °F | 20.61 in. |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 10b : 35°F to 30°F |
| Plant Hardiness Zone - 2012 | Zone 10b : 35°F to 30°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |