| 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 Zone 7a: 0°F to 5°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: | 37b - Arkansas River Floodplain |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 72834 - Dardanelle, AR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 27 | 32 | 40 | 48 | 57 | 65 | 69 | 67 | 61 | 49 | 39 | 31 | 49 |
| Avg Max Temp (°F) | 49 | 56 | 65 | 74 | 81 | 88 | 93 | 93 | 85 | 75 | 62 | 52 | 73 |
| Avg Precip (In.) | 3.12 | 3.2 | 4.64 | 4.31 | 5.57 | 4.27 | 3.24 | 2.78 | 3.59 | 4.21 | 5.33 | 4.36 | 48.62 |