| 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: | 37d - Arkansas Valley Plains |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 72936 - Greenwood, AR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 27 | 31 | 40 | 48 | 58 | 66 | 70 | 69 | 62 | 49 | 39 | 30 | 49 |
| Avg Max Temp (°F) | 49 | 56 | 64 | 73 | 80 | 88 | 93 | 93 | 85 | 75 | 62 | 52 | 73 |
| Avg Precip (In.) | 2.92 | 2.91 | 4.44 | 4.24 | 5.82 | 4.37 | 3.24 | 2.48 | 4.23 | 4.02 | 5.12 | 3.93 | 47.72 |