Palmdale, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 8.9 °C (low) to 24.6 °C (high). Annual precipitation averages 181.9 Millimeters. 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 | 1.2 °C | 14.9 °C | 35.81 mm |
| February | 2.4 °C | 16.4 °C | 47.5 mm |
| March | 4.5 °C | 19.5 °C | 27.43 mm |
| April | 6.8 °C | 22.3 °C | 9.65 mm |
| May | 10.9 °C | 26.8 °C | 3.3 mm |
| June | 15.1 °C | 31.9 °C | 0.76 mm |
| July | 18.8 °C | 35.6 °C | 2.79 mm |
| August | 18.2 °C | 35.7 °C | 1.02 mm |
| September | 14.7 °C | 32.5 °C | 3.3 mm |
| October | 9.3 °C | 26.3 °C | 9.14 mm |
| November | 3.8 °C | 19.6 °C | 9.91 mm |
| December | 0.5 °C | 14.2 °C | 31.24 mm |
| Annual | 8.9 °C | 24.6 °C | 181.85 mm |
| 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 : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |