Colona, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 0.1 °C (low) to 16.7 °C (high). Annual precipitation averages 328.4 Millimeters. Colona 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.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.7 °C | 3.3 °C | 22.86 mm |
| February | -8 °C | 6.2 °C | 24.13 mm |
| March | -4 °C | 11.7 °C | 23.11 mm |
| April | -0.6 °C | 15.7 °C | 29.21 mm |
| May | 3.8 °C | 21.2 °C | 27.69 mm |
| June | 8.1 °C | 27.8 °C | 12.95 mm |
| July | 11.6 °C | 30.2 °C | 30.99 mm |
| August | 10.8 °C | 28.6 °C | 39.88 mm |
| September | 6.3 °C | 24.6 °C | 38.86 mm |
| October | 0.2 °C | 17.6 °C | 30.99 mm |
| November | -5.3 °C | 10.2 °C | 22.86 mm |
| December | -10.5 °C | 3.4 °C | 24.89 mm |
| Annual | 0.1 °C | 16.7 °C | 328.42 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |