Hawthorne, Nevada has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 4.6 °C (low) to 21.2 °C (high). Annual precipitation averages 118.9 Millimeters. Hawthorne is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.2 °C | 8.9 °C | 12.7 mm |
| February | -2.5 °C | 12.1 °C | 9.91 mm |
| March | 0.4 °C | 16.3 °C | 17.78 mm |
| April | 2.8 °C | 19.4 °C | 10.41 mm |
| May | 7.6 °C | 24.7 °C | 18.29 mm |
| June | 11.7 °C | 30.5 °C | 8.38 mm |
| July | 15.8 °C | 35.2 °C | 7.62 mm |
| August | 14.7 °C | 34.4 °C | 5.08 mm |
| September | 10.5 °C | 29.4 °C | 4.57 mm |
| October | 4.4 °C | 21.7 °C | 7.11 mm |
| November | -1.2 °C | 13.9 °C | 8.89 mm |
| December | -4.9 °C | 8.2 °C | 8.13 mm |
| Annual | 4.6 °C | 21.2 °C | 118.87 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |