| 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 92345 - Hesperia, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 31 | 34 | 37 | 42 | 49 | 55 | 61 | 60 | 55 | 44 | 35 | 30 | 44 |
| Avg Max Temp (°F) | 58 | 60 | 65 | 73 | 80 | 89 | 96 | 95 | 88 | 78 | 67 | 58 | 76 |
| Avg Precip (In.) | 1.8 | 1.54 | 1.59 | .4 | .3 | .11 | .14 | .24 | .35 | .28 | .54 | .96 | 8.24 |