Canyon Day, Arizona has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 40.5 °F (low) to 73.2 °F (high). Annual precipitation averages 18 Inches. Canyon Day is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.9 °F | 54.1 °F | 1.73 in. |
| February | 27.4 °F | 57.5 °F | 1.73 in. |
| March | 31.9 °F | 64.0 °F | 1.57 in. |
| April | 36.5 °F | 70.8 °F | 0.52 in. |
| May | 43.3 °F | 79.7 °F | 0.49 in. |
| June | 52.0 °F | 90.2 °F | 0.38 in. |
| July | 59.8 °F | 92.1 °F | 2.15 in. |
| August | 59.0 °F | 89.9 °F | 3.48 in. |
| September | 52.1 °F | 85.7 °F | 1.84 in. |
| October | 41.5 °F | 75.9 °F | 1.34 in. |
| November | 31.5 °F | 64.0 °F | 1.17 in. |
| December | 25.4 °F | 54.1 °F | 1.56 in. |
| Annual | 40.5 °F | 73.2 °F | 17.96 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |