Dotsero, Colorado has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 29.8 °F (low) to 60.9 °F (high). Annual precipitation averages 13.9 Inches. Dotsero 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 | 10.1 °F | 35.5 °F | 1.4 in. |
| February | 16.1 °F | 41.0 °F | 1.1 in. |
| March | 23.6 °F | 51.5 °F | 1.22 in. |
| April | 29.6 °F | 59.5 °F | 1.32 in. |
| May | 35.9 °F | 69.1 °F | 1.32 in. |
| June | 43.1 °F | 80.7 °F | 0.86 in. |
| July | 50.1 °F | 86.5 °F | 1.21 in. |
| August | 48.1 °F | 83.8 °F | 0.97 in. |
| September | 40.0 °F | 76.7 °F | 1.29 in. |
| October | 29.9 °F | 63.5 °F | 1.2 in. |
| November | 19.9 °F | 47.7 °F | 1.04 in. |
| December | 10.8 °F | 35.1 °F | 0.94 in. |
| Annual | 29.8 °F | 60.9 °F | 13.87 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| 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 | Exceptional Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |