Pirtleville, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 47.5 °F (low) to 80.6 °F (high). Annual precipitation averages 12.7 Inches. Pirtleville is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.7 °F | 63.6 °F | 0.77 in. |
| February | 33.8 °F | 67.1 °F | 0.56 in. |
| March | 38.5 °F | 73.5 °F | 0.62 in. |
| April | 44.0 °F | 80.3 °F | 0.2 in. |
| May | 52.5 °F | 88.5 °F | 0.22 in. |
| June | 62.1 °F | 96.9 °F | 0.47 in. |
| July | 67.7 °F | 95.4 °F | 3.2 in. |
| August | 66.3 °F | 92.9 °F | 3.13 in. |
| September | 60.2 °F | 90.6 °F | 1.41 in. |
| October | 48.1 °F | 83.2 °F | 0.63 in. |
| November | 37.0 °F | 72.4 °F | 0.63 in. |
| December | 30.5 °F | 63.1 °F | 0.85 in. |
| Annual | 47.5 °F | 80.6 °F | 12.69 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |