| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F 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: | 14e - Arid Valleys and Canyonlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 89011 - Henderson, NV | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 37 | 42 | 49 | 58 | 66 | 73 | 71 | 63 | 50 | 39 | 31 | 51 |
| Avg Max Temp (°F) | 60 | 66 | 73 | 81 | 91 | 102 | 107 | 105 | 97 | 84 | 69 | 60 | 83 |
| Avg Precip (In.) | .62 | .58 | .6 | .16 | .2 | .09 | .13 | .32 | .24 | .28 | .28 | .3 | 3.8 |