| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 35a - Tertiary Uplands |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 71667 - Star City, AR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 35 | 43 | 50 | 59 | 66 | 70 | 68 | 62 | 50 | 42 | 35 | 51 |
| Avg Max Temp (°F) | 52 | 58 | 66 | 75 | 82 | 89 | 93 | 92 | 86 | 76 | 63 | 55 | 74 |
| Avg Precip (In.) | 4.72 | 4.34 | 5.45 | 5.05 | 4.9 | 3.99 | 3.85 | 2.93 | 3.27 | 4.23 | 5.19 | 5.2 | 53.14 |