| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 93551 - Palmdale, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 33 | 36 | 39 | 44 | 51 | 59 | 65 | 64 | 58 | 48 | 39 | 33 | 48 |
| Avg Max Temp (°F) | 56 | 60 | 64 | 71 | 79 | 87 | 95 | 94 | 88 | 77 | 64 | 56 | 74 |
| Avg Precip (In.) | 2.04 | 2.13 | 2.05 | .47 | .21 | .09 | .04 | .15 | .25 | .36 | .6 | 1.27 | 9.64 |