Sedalia, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 2.3 °C (low) to 18 °C (high). Annual precipitation averages 433.4 Millimeters. Sedalia is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.7 °C | 7.7 °C | 14.99 mm |
| February | -7.1 °C | 8.1 °C | 16.51 mm |
| March | -2.8 °C | 12.7 °C | 37.85 mm |
| April | 0.6 °C | 15.9 °C | 60.71 mm |
| May | 5.7 °C | 20.7 °C | 55.37 mm |
| June | 11.1 °C | 27.3 °C | 46.23 mm |
| July | 14.4 °C | 30.6 °C | 50.04 mm |
| August | 13.5 °C | 29.4 °C | 51.82 mm |
| September | 8.8 °C | 25.4 °C | 33.53 mm |
| October | 2 °C | 18.4 °C | 28.96 mm |
| November | -3.3 °C | 12.2 °C | 20.83 mm |
| December | -7.8 °C | 7.2 °C | 16.51 mm |
| Annual | 2.3 °C | 18 °C | 433.35 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |