Fort Morgan, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 34.2 °F (low) to 64.8 °F (high). Annual precipitation averages 14.6 Inches. Fort Morgan 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 | 12.4 °F | 41.1 °F | 0.27 in. |
| February | 15.2 °F | 45.0 °F | 0.28 in. |
| March | 24.4 °F | 55.8 °F | 0.7 in. |
| April | 32.3 °F | 62.6 °F | 1.39 in. |
| May | 43.1 °F | 71.9 °F | 2.34 in. |
| June | 53.2 °F | 83.8 °F | 2.33 in. |
| July | 58.8 °F | 89.9 °F | 2.31 in. |
| August | 56.3 °F | 87.8 °F | 1.88 in. |
| September | 47.0 °F | 80.1 °F | 1.27 in. |
| October | 33.0 °F | 66.3 °F | 1.14 in. |
| November | 21.6 °F | 51.8 °F | 0.43 in. |
| December | 12.8 °F | 41.4 °F | 0.29 in. |
| Annual | 34.2 °F | 64.8 °F | 14.63 in. |
| 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 : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |