| 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 | |
| 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 89139 - Las Vegas, NV | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 35 | 39 | 45 | 51 | 60 | 70 | 76 | 74 | 66 | 54 | 42 | 35 | 54 |
| Avg Max Temp (°F) | 57 | 62 | 69 | 77 | 87 | 98 | 103 | 101 | 93 | 80 | 66 | 57 | 79 |
| Avg Precip (In.) | .65 | .74 | .69 | .19 | .25 | .08 | .46 | .51 | .35 | .26 | .37 | .43 | 4.99 |