Antares, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 48.3 °F (low) to 76.3 °F (high). Annual precipitation averages 9.9 Inches. Antares is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 32.0 °F | 56.8 °F | 1.18 in. |
| February | 34.2 °F | 60.1 °F | 1.36 in. |
| March | 38.2 °F | 66.5 °F | 1.14 in. |
| April | 44.0 °F | 72.9 °F | 0.46 in. |
| May | 52.6 °F | 82.7 °F | 0.25 in. |
| June | 61.8 °F | 93.4 °F | 0.07 in. |
| July | 68.8 °F | 97.5 °F | 1.01 in. |
| August | 68.1 °F | 96.2 °F | 1.19 in. |
| September | 60.0 °F | 90.0 °F | 1.1 in. |
| October | 48.6 °F | 78.0 °F | 0.7 in. |
| November | 39.0 °F | 65.8 °F | 0.52 in. |
| December | 32.2 °F | 55.9 °F | 0.88 in. |
| Annual | 48.3 °F | 76.3 °F | 9.86 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |