Bentonville, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.7 °F (low) to 68.5 °F (high). Annual precipitation averages 48.3 Inches. Bentonville is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.4 °F | 46.1 °F | 2.84 in. |
| February | 28.5 °F | 50.5 °F | 2.43 in. |
| March | 36.8 °F | 59.3 °F | 4.05 in. |
| April | 45.3 °F | 68.5 °F | 4.91 in. |
| May | 55.1 °F | 75.9 °F | 6.14 in. |
| June | 64.1 °F | 84.2 °F | 4.39 in. |
| July | 67.9 °F | 88.8 °F | 4.29 in. |
| August | 66.4 °F | 88.5 °F | 3.38 in. |
| September | 58.5 °F | 81.4 °F | 4.61 in. |
| October | 47.0 °F | 70.9 °F | 4.01 in. |
| November | 36.9 °F | 58.8 °F | 4.0 in. |
| December | 28.7 °F | 48.8 °F | 3.25 in. |
| Annual | 46.7 °F | 68.5 °F | 48.3 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |