Cannonville, Utah has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 33.7 °F (low) to 65.9 °F (high). Annual precipitation averages 11.3 Inches. Cannonville is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.9 °F | 44.2 °F | 0.96 in. |
| February | 20.8 °F | 47.8 °F | 1.04 in. |
| March | 26.4 °F | 55.3 °F | 0.95 in. |
| April | 30.9 °F | 63.7 °F | 0.56 in. |
| May | 38.5 °F | 72.8 °F | 0.59 in. |
| June | 45.5 °F | 84.1 °F | 0.31 in. |
| July | 53.8 °F | 89.6 °F | 0.9 in. |
| August | 52.4 °F | 87.0 °F | 1.54 in. |
| September | 44.5 °F | 79.8 °F | 1.54 in. |
| October | 34.2 °F | 67.8 °F | 1.37 in. |
| November | 23.5 °F | 54.6 °F | 0.71 in. |
| December | 17.0 °F | 43.8 °F | 0.81 in. |
| Annual | 33.7 °F | 65.9 °F | 11.28 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |