| 2023 Hardiness Zone: | Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F 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. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 72c - Green River-Southern Wabash Lowlands |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 42408 - Dawson Springs, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 25 | 29 | 37 | 46 | 55 | 64 | 68 | 66 | 59 | 47 | 38 | 29 | 47 |
| Avg Max Temp (°F) | 44 | 50 | 60 | 71 | 79 | 87 | 90 | 89 | 83 | 72 | 59 | 48 | 69 |
| Avg Precip (In.) | 3.76 | 4.1 | 4.61 | 4.56 | 5.02 | 4.02 | 4.1 | 3.26 | 3.38 | 3.14 | 4.54 | 4.7 | 49.18 |