Yampa, Colorado has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -3.5 °C (low) to 12 °C (high). Annual precipitation averages 445 Millimeters. Yampa is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Jun. 11 - Jun. 20 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -13.9 °C | -1.2 °C | 37.59 mm |
| February | -12.9 °C | 0.8 °C | 33.78 mm |
| March | -8.6 °C | 5.7 °C | 34.54 mm |
| April | -4.4 °C | 10.6 °C | 46.99 mm |
| May | 0.2 °C | 16.2 °C | 43.18 mm |
| June | 4.2 °C | 22.4 °C | 29.72 mm |
| July | 7.9 °C | 25.8 °C | 40.89 mm |
| August | 6.9 °C | 24.8 °C | 40.39 mm |
| September | 2.8 °C | 20.7 °C | 38.86 mm |
| October | -2.8 °C | 13.4 °C | 33.02 mm |
| November | -8.3 °C | 5.4 °C | 33.02 mm |
| December | -13.3 °C | -0.9 °C | 33.02 mm |
| Annual | -3.5 °C | 12 °C | 445 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jun. 11 - Jun. 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Exceptional Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |