Bootjack, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 47.3 °F (low) to 73.3 °F (high). Annual precipitation averages 29.7 Inches. Bootjack is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 36.1 °F | 56.8 °F | 6.09 in. |
| February | 37.1 °F | 58.2 °F | 5.21 in. |
| March | 39.9 °F | 62.5 °F | 4.54 in. |
| April | 42.2 °F | 66.6 °F | 2.44 in. |
| May | 48.7 °F | 76.3 °F | 1.32 in. |
| June | 56.0 °F | 86.2 °F | 0.4 in. |
| July | 63.1 °F | 93.8 °F | 0.1 in. |
| August | 62.3 °F | 93.2 °F | 0.13 in. |
| September | 57.5 °F | 87.6 °F | 0.23 in. |
| October | 49.0 °F | 76.8 °F | 1.36 in. |
| November | 40.9 °F | 64.8 °F | 2.74 in. |
| December | 35.3 °F | 56.4 °F | 5.13 in. |
| Annual | 47.3 °F | 73.3 °F | 29.69 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |