McGill, Nevada has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 30.4 °F (low) to 62.3 °F (high). Annual precipitation averages 8.8 Inches. McGill is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.0 °F | 40.8 °F | 0.69 in. |
| February | 16.8 °F | 43.4 °F | 0.74 in. |
| March | 23.3 °F | 51.7 °F | 0.86 in. |
| April | 28.3 °F | 58.0 °F | 1.04 in. |
| May | 35.0 °F | 67.5 °F | 1.01 in. |
| June | 42.9 °F | 79.5 °F | 0.58 in. |
| July | 50.7 °F | 88.0 °F | 0.51 in. |
| August | 49.6 °F | 86.6 °F | 0.57 in. |
| September | 40.5 °F | 77.2 °F | 0.77 in. |
| October | 29.8 °F | 64.1 °F | 0.8 in. |
| November | 20.8 °F | 50.5 °F | 0.58 in. |
| December | 13.3 °F | 40.6 °F | 0.65 in. |
| Annual | 30.4 °F | 62.3 °F | 8.8 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |