Fulford, Colorado has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 24.7 °F (low) to 49.8 °F (high). Annual precipitation averages 29.5 Inches. Fulford is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Jul. 1 - Jul. 10 through the first frost around Aug. 1 - Aug. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 7.9 °F | 30.9 °F | 3.04 in. |
| February | 8.6 °F | 32.4 °F | 2.86 in. |
| March | 14.5 °F | 39.9 °F | 3.03 in. |
| April | 20.9 °F | 46.2 °F | 3.5 in. |
| May | 29.8 °F | 55.4 °F | 2.41 in. |
| June | 38.8 °F | 66.6 °F | 1.12 in. |
| July | 44.8 °F | 72.4 °F | 1.96 in. |
| August | 43.5 °F | 70.3 °F | 1.87 in. |
| September | 37.1 °F | 63.2 °F | 1.99 in. |
| October | 26.8 °F | 51.2 °F | 2.29 in. |
| November | 16.1 °F | 39.0 °F | 2.79 in. |
| December | 8.0 °F | 29.9 °F | 2.68 in. |
| Annual | 24.7 °F | 49.8 °F | 29.54 in. |
| Average First Frost Date | Aug. 1 - Aug. 10 |
| Average Last Frost Date | Jul. 1 - Jul. 10 |
| Average Days With Frost | Over 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 | Exceptional Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |