Severance, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 1.2 °C (low) to 17.3 °C (high). Annual precipitation averages 353.1 Millimeters. Severance is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.8 °C | 5.1 °C | 9.14 mm |
| February | -8.7 °C | 6.3 °C | 9.65 mm |
| March | -3.9 °C | 12.4 °C | 23.62 mm |
| April | 0.2 °C | 16 °C | 45.47 mm |
| May | 5.8 °C | 20.9 °C | 66.29 mm |
| June | 11 °C | 27.5 °C | 42.93 mm |
| July | 13.9 °C | 30.8 °C | 37.08 mm |
| August | 12.6 °C | 29.6 °C | 35.56 mm |
| September | 7.7 °C | 25.4 °C | 31.5 mm |
| October | 1 °C | 17.8 °C | 26.92 mm |
| November | -5.2 °C | 10.4 °C | 14.99 mm |
| December | -9.9 °C | 4.9 °C | 9.91 mm |
| Annual | 1.2 °C | 17.3 °C | 353.06 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |