Minturn, Colorado has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 24.1 °F (low) to 54 °F (high). Annual precipitation averages 20.4 Inches. Minturn is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.4 °F | 31.2 °F | 1.81 in. |
| February | 8.4 °F | 34.9 °F | 1.51 in. |
| March | 15.9 °F | 43.5 °F | 1.66 in. |
| April | 23.5 °F | 51.3 °F | 2.3 in. |
| May | 31.0 °F | 61.2 °F | 1.55 in. |
| June | 37.1 °F | 73.1 °F | 1.23 in. |
| July | 43.5 °F | 78.8 °F | 1.56 in. |
| August | 41.9 °F | 76.5 °F | 1.76 in. |
| September | 34.9 °F | 69.0 °F | 2.05 in. |
| October | 25.4 °F | 55.8 °F | 1.77 in. |
| November | 15.4 °F | 41.9 °F | 1.7 in. |
| December | 6.6 °F | 31.2 °F | 1.53 in. |
| Annual | 24.1 °F | 54 °F | 20.43 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Exceptional Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |