Greasewood, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 36.7 °F (low) to 68.5 °F (high). Annual precipitation averages 9 Inches. Greasewood is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.9 °F | 46.3 °F | 0.74 in. |
| February | 22.6 °F | 51.2 °F | 0.67 in. |
| March | 27.2 °F | 59.3 °F | 0.72 in. |
| April | 33.2 °F | 67.0 °F | 0.5 in. |
| May | 41.4 °F | 76.2 °F | 0.39 in. |
| June | 50.1 °F | 87.8 °F | 0.15 in. |
| July | 58.3 °F | 90.5 °F | 1.23 in. |
| August | 57.3 °F | 87.8 °F | 1.31 in. |
| September | 49.4 °F | 81.6 °F | 0.93 in. |
| October | 37.0 °F | 70.4 °F | 0.85 in. |
| November | 26.2 °F | 57.1 °F | 0.62 in. |
| December | 18.6 °F | 46.2 °F | 0.93 in. |
| Annual | 36.7 °F | 68.5 °F | 9.04 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 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 | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |