Matheson, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 32.6 °F (low) to 63.1 °F (high). Annual precipitation averages 16.8 Inches. Matheson is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.4 °F | 43.0 °F | 0.32 in. |
| February | 15.3 °F | 44.1 °F | 0.38 in. |
| March | 22.7 °F | 53.5 °F | 1.01 in. |
| April | 29.7 °F | 60.0 °F | 1.85 in. |
| May | 39.8 °F | 69.2 °F | 2.34 in. |
| June | 49.2 °F | 80.8 °F | 2.19 in. |
| July | 55.3 °F | 86.6 °F | 2.65 in. |
| August | 53.7 °F | 83.9 °F | 2.93 in. |
| September | 44.9 °F | 77.0 °F | 1.16 in. |
| October | 32.4 °F | 64.3 °F | 1.1 in. |
| November | 21.6 °F | 51.8 °F | 0.53 in. |
| December | 13.6 °F | 42.4 °F | 0.38 in. |
| Annual | 32.6 °F | 63.1 °F | 16.84 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 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 |