| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F | |
| Average First Frost Date: | Jan. 21 - Jan. 31 | |
| Average Last Frost Date: | Jan. 21 - Jan. 31 | |
| Koppen-Geiger Climate Zone: | BWh - Hot Desert Climate | |
| Ecoregion: | 14a - Creosote Bush-Dominated Basins | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 89012 - Henderson, NV | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 41 | 46 | 52 | 61 | 70 | 76 | 74 | 67 | 56 | 44 | 37 | 55 |
| Avg Max Temp (°F) | 56 | 62 | 69 | 77 | 87 | 97 | 103 | 100 | 93 | 80 | 65 | 56 | 79 |
| Avg Precip (In.) | .71 | .77 | .84 | .23 | .26 | .09 | .54 | .74 | .56 | .28 | .43 | .46 | 5.93 |