| 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. 11 - Jan. 20 | |
| 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 89015 - Henderson, NV | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 36 | 41 | 45 | 52 | 61 | 70 | 77 | 75 | 67 | 55 | 43 | 36 | 55 |
| Avg Max Temp (°F) | 58 | 64 | 71 | 79 | 89 | 99 | 105 | 103 | 95 | 82 | 67 | 58 | 81 |
| Avg Precip (In.) | .68 | .7 | .6 | .19 | .2 | .1 | .38 | .45 | .33 | .26 | .33 | .4 | 4.61 |