Palmdale, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 47.9 °F (low) to 76.4 °F (high). Annual precipitation averages 7.2 Inches. Palmdale is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 34.1 °F | 58.9 °F | 1.41 in. |
| February | 36.3 °F | 61.5 °F | 1.87 in. |
| March | 40.1 °F | 67.1 °F | 1.08 in. |
| April | 44.3 °F | 72.2 °F | 0.38 in. |
| May | 51.7 °F | 80.3 °F | 0.13 in. |
| June | 59.2 °F | 89.5 °F | 0.03 in. |
| July | 65.9 °F | 96.0 °F | 0.11 in. |
| August | 64.8 °F | 96.2 °F | 0.04 in. |
| September | 58.5 °F | 90.5 °F | 0.13 in. |
| October | 48.7 °F | 79.4 °F | 0.36 in. |
| November | 38.8 °F | 67.3 °F | 0.39 in. |
| December | 32.9 °F | 57.6 °F | 1.23 in. |
| Annual | 47.9 °F | 76.4 °F | 7.16 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |