| 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 |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F |
| 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: | 74b - Loess Plains |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 38012 - Brownsville, TN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 28 | 32 | 41 | 49 | 58 | 67 | 70 | 68 | 61 | 48 | 40 | 32 | 49 |
| Avg Max Temp (°F) | 46 | 52 | 61 | 71 | 79 | 87 | 90 | 89 | 83 | 73 | 60 | 50 | 70 |
| Avg Precip (In.) | 4.23 | 4.28 | 5.35 | 4.98 | 5.56 | 4.3 | 4.32 | 2.81 | 3.6 | 3.17 | 4.99 | 5.71 | 53.31 |