| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F 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: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 39d - Central Plateau |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 65706 - Marshfield, MO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 26 | 35 | 44 | 54 | 62 | 67 | 66 | 57 | 46 | 35 | 25 | 45 |
| Avg Max Temp (°F) | 42 | 48 | 58 | 67 | 76 | 84 | 89 | 89 | 80 | 70 | 56 | 45 | 67 |
| Avg Precip (In.) | 2.2 | 2.16 | 3.75 | 4.23 | 4.65 | 4.52 | 3.78 | 3 | 4.17 | 3.69 | 4.23 | 3.06 | 43.45 |