| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F |
| Average First Frost Date: | Nov. 1 - Nov. 10 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 73g - Western Lowlands Pleistocene Valley Trains |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 72010 - Bald Knob, AR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 28 | 32 | 41 | 49 | 59 | 67 | 71 | 68 | 61 | 49 | 40 | 32 | 50 |
| Avg Max Temp (°F) | 47 | 54 | 63 | 72 | 80 | 88 | 93 | 91 | 85 | 75 | 61 | 51 | 72 |
| Avg Precip (In.) | 3.64 | 3.51 | 5.26 | 5.22 | 5.12 | 3.99 | 3.32 | 2.89 | 3.55 | 3.81 | 5.51 | 4.86 | 50.68 |