Redvale, Colorado has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.6 °F (low) to 62.7 °F (high). Annual precipitation averages 12.9 Inches. Redvale is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.6 °F | 39.0 °F | 0.76 in. |
| February | 20.0 °F | 44.1 °F | 0.91 in. |
| March | 26.5 °F | 53.5 °F | 0.86 in. |
| April | 31.6 °F | 60.5 °F | 0.89 in. |
| May | 40.0 °F | 70.6 °F | 1.1 in. |
| June | 49.0 °F | 82.5 °F | 0.48 in. |
| July | 55.2 °F | 87.1 °F | 1.03 in. |
| August | 54.3 °F | 84.1 °F | 1.92 in. |
| September | 46.8 °F | 76.8 °F | 1.72 in. |
| October | 35.1 °F | 64.1 °F | 1.15 in. |
| November | 24.7 °F | 51.0 °F | 1.08 in. |
| December | 16.4 °F | 39.2 °F | 1.04 in. |
| Annual | 34.6 °F | 62.7 °F | 12.94 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |