| 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 7b: 5F to 10F |
| 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: | 37d - Arkansas Valley Plains |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 72173 - Vilonia, AR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 28 | 32 | 41 | 49 | 58 | 66 | 70 | 68 | 61 | 49 | 39 | 31 | 49 |
| Avg Max Temp (°F) | 48 | 55 | 64 | 72 | 80 | 87 | 92 | 91 | 84 | 74 | 61 | 51 | 72 |
| Avg Precip (In.) | 3.43 | 3.45 | 4.86 | 5.02 | 5.09 | 4.07 | 3.12 | 2.72 | 3.69 | 4.09 | 5.66 | 4.69 | 49.89 |