| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°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: | 36a - Athens Plateau |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 71929 - Bismarck, AR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 28 | 32 | 40 | 47 | 57 | 64 | 68 | 67 | 61 | 49 | 39 | 31 | 49 |
| Avg Max Temp (°F) | 51 | 57 | 65 | 74 | 81 | 88 | 93 | 93 | 86 | 76 | 63 | 53 | 73 |
| Avg Precip (In.) | 3.81 | 3.87 | 5.34 | 5.25 | 6.03 | 4.82 | 4.33 | 2.91 | 4.08 | 4.9 | 6.32 | 5.29 | 56.97 |