| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F | |
| 2012 Hardiness Zone: | Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 67f - Southern Limestone/Dolomite Valleys and Low Rolling Hills | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 37860 - Russellville, TN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 25 | 27 | 35 | 42 | 51 | 60 | 64 | 63 | 56 | 43 | 35 | 28 | 44 |
| Avg Max Temp (°F) | 45 | 51 | 60 | 69 | 77 | 83 | 87 | 86 | 81 | 70 | 59 | 49 | 68 |
| Avg Precip (In.) | 4.07 | 3.63 | 4.4 | 3.78 | 4.76 | 3.85 | 4.28 | 3.63 | 3.23 | 2.53 | 3.44 | 3.95 | 45.56 |