Loveland, Colorado has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.7 °F (low) to 63.8 °F (high). Annual precipitation averages 15.9 Inches. Loveland 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 | 15.2 °F | 42.6 °F | 0.52 in. |
| February | 17.4 °F | 44.6 °F | 0.53 in. |
| March | 25.6 °F | 54.8 °F | 1.2 in. |
| April | 32.6 °F | 61.4 °F | 1.78 in. |
| May | 42.3 °F | 69.9 °F | 2.83 in. |
| June | 51.5 °F | 81.9 °F | 1.93 in. |
| July | 57.1 °F | 87.9 °F | 1.39 in. |
| August | 54.8 °F | 85.7 °F | 1.85 in. |
| September | 46.3 °F | 78.1 °F | 1.56 in. |
| October | 34.5 °F | 64.4 °F | 1.09 in. |
| November | 23.8 °F | 51.8 °F | 0.65 in. |
| December | 15.3 °F | 42.2 °F | 0.53 in. |
| Annual | 34.7 °F | 63.8 °F | 15.86 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 5b : -15°F to -10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |