| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F |
| Average First Frost Date: | Nov. 1 - Nov. 10 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 73a - Northern Holocene Meander Belts |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 63830 - Caruthersville, MO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 27 | 31 | 40 | 49 | 59 | 67 | 71 | 69 | 61 | 49 | 40 | 31 | 49 |
| Avg Max Temp (°F) | 43 | 50 | 59 | 70 | 79 | 87 | 91 | 89 | 83 | 73 | 59 | 48 | 69 |
| Avg Precip (In.) | 3.45 | 3.75 | 4.78 | 4.97 | 4.98 | 4.58 | 3.89 | 2.99 | 3.09 | 3.51 | 4.88 | 4.73 | 49.6 |