| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 68b - Sequatchie Valley |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 37347 - Jasper, TN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 28 | 31 | 38 | 45 | 54 | 63 | 67 | 66 | 60 | 47 | 38 | 31 | 48 |
| Avg Max Temp (°F) | 48 | 53 | 62 | 71 | 78 | 86 | 89 | 88 | 82 | 72 | 61 | 51 | 70 |
| Avg Precip (In.) | 5.58 | 4.85 | 6.21 | 4.05 | 4.21 | 4.18 | 4.42 | 3.26 | 4.69 | 3.36 | 4.76 | 5.06 | 54.63 |