Tonopah, Nevada has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 40.4 °F (low) to 63.2 °F (high). Annual precipitation averages 6 Inches. Tonopah is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.8 °F | 41.6 °F | 0.51 in. |
| February | 26.6 °F | 45.2 °F | 0.49 in. |
| March | 31.0 °F | 53.4 °F | 0.74 in. |
| April | 35.1 °F | 59.7 °F | 0.64 in. |
| May | 43.5 °F | 69.3 °F | 0.72 in. |
| June | 52.6 °F | 80.5 °F | 0.34 in. |
| July | 61.3 °F | 87.7 °F | 0.46 in. |
| August | 60.2 °F | 86.3 °F | 0.48 in. |
| September | 52.9 °F | 78.1 °F | 0.41 in. |
| October | 41.8 °F | 65.1 °F | 0.48 in. |
| November | 31.4 °F | 51.0 °F | 0.35 in. |
| December | 23.6 °F | 41.0 °F | 0.36 in. |
| Annual | 40.4 °F | 63.2 °F | 5.98 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BWk - Cold Desert Climate |