| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F | |
| 2012 Hardiness Zone: | Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F | |
| Average First Frost Date: | October 1 - 10 | |
| Average Last Frost Date: | April 21 - 30 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 40a - Loess Flats and Till Plains | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 64469 - Maysville, MO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 18 | 29 | 39 | 51 | 60 | 64 | 62 | 53 | 41 | 28 | 17 | 40 |
| Avg Max Temp (°F) | 33 | 40 | 52 | 63 | 73 | 83 | 87 | 86 | 78 | 66 | 50 | 37 | 62 |
| Avg Precip (In.) | 1 | 1.07 | 2.44 | 3.36 | 4.79 | 4.37 | 4.31 | 3.86 | 4.72 | 3.04 | 2.13 | 1.43 | 36.52 |