Austin, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.5 °F (low) to 71.8 °F (high). Annual precipitation averages 53.3 Inches. Austin 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 | 30.0 °F | 49.3 °F | 3.77 in. |
| February | 33.0 °F | 54.3 °F | 4.1 in. |
| March | 40.9 °F | 63.0 °F | 4.99 in. |
| April | 49.8 °F | 72.3 °F | 5.49 in. |
| May | 59.6 °F | 80.0 °F | 5.98 in. |
| June | 67.9 °F | 88.0 °F | 3.65 in. |
| July | 71.2 °F | 91.4 °F | 3.62 in. |
| August | 69.6 °F | 91.1 °F | 3.43 in. |
| September | 62.0 °F | 84.9 °F | 3.68 in. |
| October | 49.8 °F | 74.5 °F | 3.95 in. |
| November | 39.8 °F | 61.4 °F | 5.23 in. |
| December | 32.7 °F | 51.9 °F | 5.42 in. |
| Annual | 50.5 °F | 71.8 °F | 53.31 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 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |