| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°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: | 73a - Northern Holocene Meander Belts |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 72315 - Blytheville, AR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 28 | 32 | 41 | 50 | 60 | 68 | 72 | 69 | 62 | 50 | 41 | 32 | 50 |
| Avg Max Temp (°F) | 44 | 50 | 60 | 70 | 80 | 88 | 91 | 90 | 83 | 73 | 59 | 49 | 70 |
| Avg Precip (In.) | 3.46 | 3.9 | 4.93 | 5.18 | 5.18 | 4.46 | 3.93 | 2.84 | 3.27 | 3.53 | 4.91 | 4.74 | 50.33 |