Denio, Nevada has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 35.3 °F (low) to 64.5 °F (high). Annual precipitation averages 9.1 Inches. Denio is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.6 °F | 41.5 °F | 0.94 in. |
| February | 24.3 °F | 46.4 °F | 0.78 in. |
| March | 28.7 °F | 53.1 °F | 0.91 in. |
| April | 32.2 °F | 61.0 °F | 1.04 in. |
| May | 39.3 °F | 70.8 °F | 1.34 in. |
| June | 46.5 °F | 80.3 °F | 0.75 in. |
| July | 54.0 °F | 91.5 °F | 0.27 in. |
| August | 51.9 °F | 90.2 °F | 0.19 in. |
| September | 43.3 °F | 80.6 °F | 0.34 in. |
| October | 34.2 °F | 66.7 °F | 0.74 in. |
| November | 26.5 °F | 50.9 °F | 0.75 in. |
| December | 21.1 °F | 40.5 °F | 1.01 in. |
| Annual | 35.3 °F | 64.5 °F | 9.06 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |