Ash Fork, Arizona has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 38.8 °F (low) to 72.8 °F (high). Annual precipitation averages 13 Inches. Ash Fork is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.2 °F | 53.0 °F | 1.16 in. |
| February | 25.6 °F | 56.1 °F | 1.25 in. |
| March | 30.3 °F | 62.7 °F | 1.09 in. |
| April | 35.1 °F | 70.2 °F | 0.46 in. |
| May | 42.6 °F | 80.0 °F | 0.48 in. |
| June | 50.4 °F | 90.7 °F | 0.29 in. |
| July | 58.7 °F | 93.4 °F | 2.01 in. |
| August | 57.7 °F | 91.0 °F | 2.2 in. |
| September | 50.7 °F | 85.8 °F | 1.36 in. |
| October | 39.4 °F | 75.5 °F | 0.9 in. |
| November | 29.3 °F | 62.9 °F | 0.8 in. |
| December | 23.0 °F | 52.7 °F | 1.04 in. |
| Annual | 38.8 °F | 72.8 °F | 13.04 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 | Csb - Warm-Summer Mediterranean Climate |