| 2023 Hardiness Zone: | Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 72f - River Hills |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 63755 - Jackson, MO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 23 | 28 | 37 | 46 | 55 | 64 | 68 | 66 | 58 | 46 | 37 | 28 | 46 |
| Avg Max Temp (°F) | 42 | 48 | 59 | 70 | 79 | 87 | 91 | 89 | 82 | 72 | 57 | 45 | 69 |
| Avg Precip (In.) | 3.22 | 3.32 | 4.7 | 4.69 | 4.87 | 4.08 | 3.81 | 3.36 | 3.39 | 3.23 | 4.74 | 4.17 | 47.58 |