| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F Zone 8b: 15°F to 20°F Zone 9b: 25°F to 30°F Zone 9a: 20°F to 25°F | |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F Zone 8b: 15°F to 20°F Zone 9b: 25°F to 30°F 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: | 14e - Arid Valleys and Canyonlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 151 - 180 days Over 86°F |
Annual Climate Data for ZIP Code 89040 - Overton, NV | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 37 | 41 | 47 | 54 | 62 | 69 | 68 | 61 | 49 | 38 | 32 | 49 |
| Avg Max Temp (°F) | 60 | 66 | 72 | 80 | 89 | 100 | 105 | 103 | 96 | 83 | 69 | 61 | 82 |
| Avg Precip (In.) | .75 | .85 | .69 | .16 | .13 | .09 | .38 | .57 | .35 | .4 | .43 | .36 | 5.19 |