| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F |
| 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: | 65d - Southern Hilly Gulf Coastal Plain |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 39325 - Collinsville, MS | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 34 | 37 | 44 | 50 | 59 | 66 | 70 | 69 | 63 | 50 | 42 | 36 | 52 |
| Avg Max Temp (°F) | 56 | 61 | 69 | 76 | 83 | 89 | 91 | 91 | 87 | 77 | 67 | 59 | 76 |
| Avg Precip (In.) | 5.9 | 5.11 | 6.63 | 5.59 | 4.66 | 3.96 | 5.05 | 3.5 | 3.53 | 3.25 | 4.86 | 5.27 | 57.33 |