Vail, Colorado has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 23.2 °F (low) to 53.9 °F (high). Annual precipitation averages 23.3 Inches. Vail is located in USDA Plant Hardiness Zone 5a. 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 | 4.2 °F | 31.0 °F | 2.21 in. |
| February | 7.4 °F | 35.0 °F | 1.98 in. |
| March | 14.9 °F | 43.5 °F | 2.13 in. |
| April | 22.8 °F | 50.9 °F | 2.74 in. |
| May | 30.6 °F | 60.9 °F | 1.7 in. |
| June | 36.3 °F | 73.0 °F | 1.28 in. |
| July | 43.0 °F | 78.5 °F | 1.71 in. |
| August | 41.2 °F | 76.1 °F | 1.8 in. |
| September | 34.1 °F | 68.7 °F | 2.06 in. |
| October | 24.2 °F | 55.4 °F | 1.88 in. |
| November | 14.6 °F | 41.8 °F | 1.93 in. |
| December | 5.6 °F | 31.4 °F | 1.86 in. |
| Annual | 23.2 °F | 53.9 °F | 23.28 in. |
| 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 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 |