Elgin, Arizona has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 45.8 °F (low) to 76.1 °F (high). Annual precipitation averages 15.7 Inches. Elgin 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 | 30.5 °F | 60.5 °F | 0.99 in. |
| February | 33.1 °F | 63.0 °F | 0.83 in. |
| March | 37.3 °F | 68.6 °F | 1.04 in. |
| April | 41.7 °F | 75.2 °F | 0.38 in. |
| May | 49.1 °F | 83.2 °F | 0.21 in. |
| June | 59.6 °F | 92.0 °F | 0.47 in. |
| July | 63.9 °F | 90.1 °F | 3.44 in. |
| August | 62.4 °F | 87.6 °F | 3.83 in. |
| September | 57.3 °F | 85.4 °F | 1.85 in. |
| October | 46.9 °F | 78.7 °F | 0.9 in. |
| November | 37.3 °F | 68.9 °F | 0.69 in. |
| December | 31.0 °F | 60.0 °F | 1.09 in. |
| Annual | 45.8 °F | 76.1 °F | 15.72 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 | Normal |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |