| 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: | 73c - St. Francis Lowlands |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 72417 - Brookland, AR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 26 | 31 | 40 | 49 | 59 | 67 | 71 | 69 | 61 | 49 | 39 | 31 | 49 |
| Avg Max Temp (°F) | 45 | 51 | 60 | 70 | 79 | 88 | 92 | 90 | 83 | 74 | 59 | 49 | 70 |
| Avg Precip (In.) | 3.45 | 3.59 | 4.67 | 5.11 | 4.95 | 3.57 | 3 | 2.81 | 3.31 | 3.78 | 5.13 | 4.58 | 47.95 |