Peoria, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 34.4 °F (low) to 64.7 °F (high). Annual precipitation averages 16.5 Inches. Peoria 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 Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.4 °F | 43.0 °F | 0.4 in. |
| February | 16.8 °F | 45.1 °F | 0.45 in. |
| March | 25.0 °F | 54.8 °F | 1.1 in. |
| April | 31.8 °F | 61.6 °F | 1.96 in. |
| May | 41.6 °F | 70.9 °F | 2.42 in. |
| June | 51.2 °F | 83.0 °F | 1.93 in. |
| July | 57.8 °F | 89.8 °F | 2.67 in. |
| August | 55.8 °F | 87.1 °F | 2.15 in. |
| September | 47.1 °F | 79.6 °F | 1.01 in. |
| October | 33.9 °F | 65.7 °F | 1.08 in. |
| November | 23.2 °F | 52.7 °F | 0.76 in. |
| December | 14.6 °F | 42.8 °F | 0.56 in. |
| Annual | 34.4 °F | 64.7 °F | 16.49 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 5a : -20°F to -15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |