| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 33a - Northern Post Oak Savanna |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 75455 - Mount Pleasant, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 34 | 42 | 49 | 59 | 67 | 71 | 69 | 62 | 50 | 41 | 33 | 50 |
| Avg Max Temp (°F) | 54 | 59 | 67 | 75 | 82 | 90 | 94 | 94 | 88 | 78 | 65 | 57 | 75 |
| Avg Precip (In.) | 3.25 | 3.55 | 4.4 | 3.87 | 4.92 | 4.74 | 3.63 | 2.14 | 3.55 | 4.74 | 5.05 | 4.46 | 48.31 |