Durango, Colorado has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.2 °C (low) to 17.8 °C (high). Annual precipitation averages 466.1 Millimeters. Durango is located in USDA Plant Hardiness Zone 6b. 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 | -10.2 °C | 4.9 °C | 47.24 mm |
| February | -7.7 °C | 7.6 °C | 37.34 mm |
| March | -4.1 °C | 12.6 °C | 31.24 mm |
| April | -1.1 °C | 17.2 °C | 26.92 mm |
| May | 3.2 °C | 22.4 °C | 27.69 mm |
| June | 7.2 °C | 28.4 °C | 14.48 mm |
| July | 11.9 °C | 30.8 °C | 44.2 mm |
| August | 11 °C | 29.2 °C | 57.91 mm |
| September | 6.7 °C | 25.6 °C | 59.69 mm |
| October | 0.4 °C | 18.9 °C | 44.45 mm |
| November | -5.2 °C | 11.4 °C | 34.04 mm |
| December | -9.6 °C | 5.1 °C | 40.89 mm |
| Annual | 0.2 °C | 17.8 °C | 466.09 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |