Banks, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.6 °F (low) to 74.2 °F (high). Annual precipitation averages 56.2 Inches. Banks 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 | 32.2 °F | 53.6 °F | 4.75 in. |
| February | 35.3 °F | 58.0 °F | 4.71 in. |
| March | 42.5 °F | 66.5 °F | 5.59 in. |
| April | 50.7 °F | 74.7 °F | 6.01 in. |
| May | 60.2 °F | 81.7 °F | 5.08 in. |
| June | 67.8 °F | 88.7 °F | 3.93 in. |
| July | 71.0 °F | 91.9 °F | 3.78 in. |
| August | 69.7 °F | 91.9 °F | 3.82 in. |
| September | 63.0 °F | 86.6 °F | 3.63 in. |
| October | 50.8 °F | 76.3 °F | 4.65 in. |
| November | 41.0 °F | 64.6 °F | 4.38 in. |
| December | 34.8 °F | 55.9 °F | 5.91 in. |
| Annual | 51.6 °F | 74.2 °F | 56.24 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |