| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 39a - Springfield Plateau |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 72753 - Prairie Grove, AR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 28 | 37 | 45 | 54 | 62 | 67 | 65 | 58 | 46 | 37 | 28 | 46 |
| Avg Max Temp (°F) | 45 | 52 | 60 | 70 | 76 | 84 | 89 | 89 | 81 | 71 | 58 | 49 | 69 |
| Avg Precip (In.) | 2.36 | 2.6 | 4.45 | 4.54 | 5.62 | 5.02 | 3.28 | 3.28 | 4.92 | 4.06 | 4.89 | 3.41 | 48.43 |