Antares, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 9.1 °C (low) to 24.6 °C (high). Annual precipitation averages 250.4 Millimeters. 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 | 0 °C | 13.8 °C | 29.97 mm |
| February | 1.2 °C | 15.6 °C | 34.54 mm |
| March | 3.4 °C | 19.2 °C | 28.96 mm |
| April | 6.7 °C | 22.7 °C | 11.68 mm |
| May | 11.4 °C | 28.2 °C | 6.35 mm |
| June | 16.6 °C | 34.1 °C | 1.78 mm |
| July | 20.4 °C | 36.4 °C | 25.65 mm |
| August | 20.1 °C | 35.7 °C | 30.23 mm |
| September | 15.6 °C | 32.2 °C | 27.94 mm |
| October | 9.2 °C | 25.6 °C | 17.78 mm |
| November | 3.9 °C | 18.8 °C | 13.21 mm |
| December | 0.1 °C | 13.3 °C | 22.35 mm |
| Annual | 9.1 °C | 24.6 °C | 250.44 mm |
| 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 : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |