Capulin, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from -3.6 °C (low) to 14.5 °C (high). Annual precipitation averages 232.2 Millimeters. Capulin is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -16.6 °C | 1.2 °C | 9.14 mm |
| February | -12.9 °C | 4.2 °C | 7.37 mm |
| March | -7.7 °C | 10 °C | 15.75 mm |
| April | -3.9 °C | 14.2 °C | 17.78 mm |
| May | 1.1 °C | 19.2 °C | 20.32 mm |
| June | 5.2 °C | 24.6 °C | 12.19 mm |
| July | 8.4 °C | 26.3 °C | 35.31 mm |
| August | 7.5 °C | 25.3 °C | 39.37 mm |
| September | 3.4 °C | 22.3 °C | 28.7 mm |
| October | -3 °C | 16.4 °C | 19.81 mm |
| November | -9.6 °C | 8.8 °C | 12.95 mm |
| December | -15.6 °C | 1.9 °C | 13.46 mm |
| Annual | -3.6 °C | 14.5 °C | 232.15 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |