Lancaster, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 47.3 °F (low) to 77.5 °F (high). Annual precipitation averages 6.4 Inches. Lancaster is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.9 °F | 59.1 °F | 1.27 in. |
| February | 34.9 °F | 61.8 °F | 1.48 in. |
| March | 39.7 °F | 67.6 °F | 1.07 in. |
| April | 44.7 °F | 73.7 °F | 0.3 in. |
| May | 52.5 °F | 81.4 °F | 0.16 in. |
| June | 60.4 °F | 91.2 °F | 0.03 in. |
| July | 66.6 °F | 98.3 °F | 0.16 in. |
| August | 64.8 °F | 98.5 °F | 0.03 in. |
| September | 57.6 °F | 92.4 °F | 0.13 in. |
| October | 47.1 °F | 80.5 °F | 0.3 in. |
| November | 36.2 °F | 67.6 °F | 0.38 in. |
| December | 30.7 °F | 57.8 °F | 1.11 in. |
| Annual | 47.3 °F | 77.5 °F | 6.42 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 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 | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |