| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F | |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°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 89074 - Henderson, NV | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 35 | 40 | 45 | 52 | 61 | 70 | 76 | 75 | 67 | 55 | 42 | 35 | 54 |
| Avg Max Temp (°F) | 57 | 63 | 70 | 79 | 88 | 99 | 105 | 102 | 95 | 81 | 67 | 58 | 80 |
| Avg Precip (In.) | .62 | .69 | .6 | .16 | .23 | .09 | .41 | .44 | .31 | .26 | .34 | .4 | 4.55 |