Vona, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 2.3 °C (low) to 18.4 °C (high). Annual precipitation averages 455.9 Millimeters. Vona is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.7 °C | 6.3 °C | 9.91 mm |
| February | -7.8 °C | 7.3 °C | 12.7 mm |
| March | -3.7 °C | 12.9 °C | 23.88 mm |
| April | 0.4 °C | 17 °C | 46.74 mm |
| May | 6.3 °C | 22.3 °C | 65.28 mm |
| June | 12.2 °C | 28.8 °C | 60.96 mm |
| July | 15.3 °C | 31.9 °C | 83.82 mm |
| August | 14.3 °C | 30.6 °C | 65.28 mm |
| September | 9.4 °C | 26.7 °C | 28.45 mm |
| October | 2.1 °C | 18.8 °C | 32 mm |
| November | -3.9 °C | 11.7 °C | 13.97 mm |
| December | -8.4 °C | 6.1 °C | 12.95 mm |
| Annual | 2.3 °C | 18.4 °C | 455.94 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |