| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F | |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Apr. 1 - Apr. 10 | |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 92344 - Hesperia, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 35 | 37 | 39 | 42 | 48 | 55 | 62 | 62 | 57 | 48 | 40 | 35 | 47 |
| Avg Max Temp (°F) | 54 | 56 | 60 | 67 | 74 | 83 | 90 | 90 | 84 | 73 | 61 | 54 | 70 |
| Avg Precip (In.) | 3.67 | 3.57 | 3.5 | .88 | .57 | .09 | .13 | .27 | .42 | .56 | 1.17 | 1.97 | 16.8 |