| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | 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: | 65b - Flatwoods/Blackland Prairie Margins |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 38850 - Houlka, MS | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 33 | 41 | 48 | 58 | 65 | 69 | 67 | 61 | 49 | 40 | 33 | 50 |
| Avg Max Temp (°F) | 50 | 56 | 65 | 73 | 80 | 87 | 91 | 90 | 85 | 75 | 63 | 54 | 72 |
| Avg Precip (In.) | 5.41 | 4.75 | 6.16 | 5.45 | 5.37 | 4.66 | 4.32 | 3.13 | 3.82 | 3.32 | 5.09 | 5.89 | 57.38 |