| 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: | 35e - Southern Tertiary Uplands |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 75951 - Jasper, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 36 | 39 | 46 | 53 | 61 | 67 | 69 | 69 | 63 | 53 | 45 | 37 | 53 |
| Avg Max Temp (°F) | 59 | 64 | 71 | 78 | 85 | 90 | 94 | 94 | 88 | 80 | 70 | 61 | 78 |
| Avg Precip (In.) | 5.29 | 4.28 | 4.87 | 4.16 | 5.46 | 5.64 | 3.67 | 3.77 | 4.36 | 4.03 | 4.96 | 5.56 | 56.04 |