| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| 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: | 40c - Wooded Osage Plains |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 64034 - Greenwood, MO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 22 | 32 | 42 | 53 | 62 | 66 | 64 | 56 | 45 | 32 | 21 | 43 |
| Avg Max Temp (°F) | 35 | 43 | 54 | 64 | 74 | 83 | 88 | 87 | 79 | 69 | 52 | 40 | 64 |
| Avg Precip (In.) | 1.33 | 1.5 | 2.83 | 3.75 | 5.07 | 5.31 | 4.16 | 3.74 | 4.75 | 3.54 | 2.94 | 1.82 | 40.75 |