Antoine, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.1 °F (low) to 74.2 °F (high). Annual precipitation averages 56.6 Inches. Antoine is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.5 °F | 53.5 °F | 4.19 in. |
| February | 34.7 °F | 57.7 °F | 4.46 in. |
| March | 41.9 °F | 66.3 °F | 5.4 in. |
| April | 49.8 °F | 74.6 °F | 5.43 in. |
| May | 59.7 °F | 81.3 °F | 6.47 in. |
| June | 67.9 °F | 89.0 °F | 4.18 in. |
| July | 71.0 °F | 92.5 °F | 4.57 in. |
| August | 69.9 °F | 92.5 °F | 3.45 in. |
| September | 62.6 °F | 86.6 °F | 3.76 in. |
| October | 50.4 °F | 76.1 °F | 4.78 in. |
| November | 40.3 °F | 64.2 °F | 4.66 in. |
| December | 33.9 °F | 55.5 °F | 5.23 in. |
| Annual | 51.1 °F | 74.2 °F | 56.58 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |