Livermore, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 48.4 °F (low) to 72.5 °F (high). Annual precipitation averages 14.9 Inches. Livermore is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.9 °F | 57.0 °F | 2.92 in. |
| February | 41.8 °F | 61.0 °F | 2.79 in. |
| March | 43.9 °F | 64.9 °F | 2.25 in. |
| April | 46.2 °F | 69.2 °F | 1.19 in. |
| May | 50.4 °F | 75.1 °F | 0.52 in. |
| June | 54.0 °F | 82.0 °F | 0.13 in. |
| July | 57.0 °F | 87.5 °F | 0.0 in. |
| August | 57.1 °F | 87.2 °F | 0.03 in. |
| September | 55.7 °F | 85.4 °F | 0.09 in. |
| October | 51.0 °F | 77.5 °F | 0.71 in. |
| November | 44.3 °F | 65.6 °F | 1.41 in. |
| December | 39.8 °F | 57.5 °F | 2.82 in. |
| Annual | 48.4 °F | 72.5 °F | 14.86 in. |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |