| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 40a - Loess Flats and Till Plains |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 64024 - Excelsior Springs, MO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 21 | 31 | 42 | 52 | 62 | 66 | 64 | 55 | 43 | 31 | 21 | 42 |
| Avg Max Temp (°F) | 36 | 43 | 54 | 65 | 75 | 84 | 89 | 87 | 79 | 68 | 52 | 40 | 64 |
| Avg Precip (In.) | 1.34 | 1.4 | 2.7 | 3.63 | 5.07 | 4.51 | 4.6 | 3.68 | 4.37 | 3.33 | 2.74 | 1.78 | 39.16 |