Tehachapi, California has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 43.3 °F (low) to 68 °F (high). Annual precipitation averages 10.1 Inches. Tehachapi is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 32.7 °F | 53.6 °F | 1.98 in. |
| February | 33.0 °F | 54.5 °F | 2.12 in. |
| March | 35.5 °F | 58.7 °F | 1.66 in. |
| April | 38.4 °F | 61.7 °F | 0.71 in. |
| May | 45.7 °F | 70.2 °F | 0.45 in. |
| June | 53.3 °F | 79.6 °F | 0.1 in. |
| July | 59.4 °F | 86.2 °F | 0.1 in. |
| August | 57.7 °F | 86.8 °F | 0.1 in. |
| September | 51.9 °F | 81.5 °F | 0.13 in. |
| October | 43.0 °F | 70.6 °F | 0.52 in. |
| November | 36.3 °F | 60.5 °F | 0.86 in. |
| December | 32.1 °F | 52.0 °F | 1.37 in. |
| Annual | 43.3 °F | 68 °F | 10.1 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |