| 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. 1 - Nov. 10 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| 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 71671 - Warren, AR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 31 | 35 | 42 | 50 | 59 | 67 | 71 | 69 | 62 | 51 | 42 | 34 | 51 |
| Avg Max Temp (°F) | 51 | 57 | 66 | 74 | 81 | 88 | 92 | 92 | 86 | 76 | 64 | 54 | 73 |
| Avg Precip (In.) | 5.06 | 4.48 | 5.92 | 5.1 | 4.71 | 4.3 | 4.03 | 3.04 | 3.64 | 4.52 | 5.24 | 5.35 | 55.39 |