Bellefonte, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.3 °C (low) to 20.9 °C (high). Annual precipitation averages 1203.5 Millimeters. Bellefonte 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 | -3.3 °C | 8.3 °C | 76.96 mm |
| February | -1.5 °C | 10.9 °C | 72.9 mm |
| March | 2.7 °C | 15.7 °C | 114.55 mm |
| April | 7.7 °C | 21.1 °C | 135.38 mm |
| May | 13.1 °C | 25.2 °C | 133.35 mm |
| June | 17.7 °C | 29.7 °C | 98.55 mm |
| July | 19.7 °C | 32.1 °C | 95.76 mm |
| August | 18.8 °C | 31.8 °C | 83.06 mm |
| September | 14.6 °C | 28.1 °C | 107.19 mm |
| October | 8.3 °C | 22.2 °C | 98.81 mm |
| November | 2.8 °C | 15.3 °C | 102.87 mm |
| December | -1.6 °C | 9.8 °C | 84.07 mm |
| Annual | 8.3 °C | 20.9 °C | 1203.45 mm |
| 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 : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |