Yerington, Nevada has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 1.8 °C (low) to 20.4 °C (high). Annual precipitation averages 124.5 Millimeters. Yerington 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 Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.6 °C | 8.6 °C | 17.53 mm |
| February | -5.1 °C | 11.1 °C | 10.67 mm |
| March | -1.8 °C | 15.4 °C | 14.48 mm |
| April | 0.6 °C | 18.6 °C | 8.89 mm |
| May | 5 °C | 23.3 °C | 19.05 mm |
| June | 8.4 °C | 29.1 °C | 11.68 mm |
| July | 12.7 °C | 34.4 °C | 5.08 mm |
| August | 11.3 °C | 33.4 °C | 5.33 mm |
| September | 7.3 °C | 28.8 °C | 2.54 mm |
| October | 1.6 °C | 21.3 °C | 6.35 mm |
| November | -4.2 °C | 13.6 °C | 11.18 mm |
| December | -7.6 °C | 7.7 °C | 11.68 mm |
| Annual | 1.8 °C | 20.4 °C | 124.46 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BWk - Cold Desert Climate |