Peyton, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 32.3 °F (low) to 60.6 °F (high). Annual precipitation averages 18.5 Inches. Peyton is located in USDA Plant Hardiness Zone 5b. 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 | 14.7 °F | 42.2 °F | 0.47 in. |
| February | 16.2 °F | 42.9 °F | 0.51 in. |
| March | 22.8 °F | 51.0 °F | 1.18 in. |
| April | 29.2 °F | 56.9 °F | 1.93 in. |
| May | 38.0 °F | 65.9 °F | 2.29 in. |
| June | 47.3 °F | 77.6 °F | 2.06 in. |
| July | 53.5 °F | 83.0 °F | 3.0 in. |
| August | 52.1 °F | 80.3 °F | 3.42 in. |
| September | 43.7 °F | 73.8 °F | 1.35 in. |
| October | 32.3 °F | 61.7 °F | 1.14 in. |
| November | 22.2 °F | 50.3 °F | 0.63 in. |
| December | 15.0 °F | 42.0 °F | 0.51 in. |
| Annual | 32.3 °F | 60.6 °F | 18.49 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |