| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°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: | 39e - Osage/Gasconade Hills |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 65355 - Warsaw, MO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 24 | 33 | 43 | 52 | 62 | 67 | 65 | 57 | 45 | 34 | 24 | 44 |
| Avg Max Temp (°F) | 40 | 48 | 59 | 69 | 76 | 84 | 90 | 89 | 80 | 71 | 56 | 45 | 67 |
| Avg Precip (In.) | 1.66 | 1.98 | 3.29 | 4.06 | 5.2 | 4.42 | 3.86 | 3.66 | 4.21 | 3.8 | 3.6 | 2.35 | 42.09 |