| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 37c - Arkansas Valley Hills |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 72031 - Clinton, AR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 25 | 29 | 38 | 46 | 55 | 63 | 68 | 66 | 59 | 47 | 37 | 29 | 47 |
| Avg Max Temp (°F) | 47 | 53 | 62 | 71 | 78 | 86 | 92 | 91 | 84 | 74 | 60 | 50 | 71 |
| Avg Precip (In.) | 3.2 | 3.64 | 5.17 | 4.9 | 5.4 | 3.99 | 3.14 | 3.18 | 4.12 | 4.5 | 5.66 | 4.71 | 51.6 |