| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F | |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F | |
| Average First Frost Date: | Nov. 11 - Nov. 20 | |
| Average Last Frost Date: | Mar. 11 - Mar. 20 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 33b - Southern Post Oak Savanna | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 77864 - Madisonville, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 40 | 47 | 54 | 63 | 69 | 72 | 71 | 66 | 56 | 46 | 39 | 55 |
| Avg Max Temp (°F) | 60 | 65 | 72 | 79 | 86 | 92 | 96 | 96 | 91 | 82 | 70 | 62 | 79 |
| Avg Precip (In.) | 3.74 | 2.85 | 3.27 | 3.32 | 5.05 | 3.96 | 2.6 | 2.92 | 4.17 | 4.43 | 3.99 | 3.6 | 43.9 |