| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 70e - Unglaciated Upper Muskingum Basin |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 43844 - Warsaw, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 19 | 28 | 37 | 48 | 57 | 61 | 59 | 52 | 40 | 32 | 23 | 39 |
| Avg Max Temp (°F) | 35 | 39 | 50 | 61 | 71 | 80 | 83 | 82 | 75 | 64 | 51 | 40 | 61 |
| Avg Precip (In.) | 2.57 | 2.29 | 3.01 | 3.48 | 4.01 | 4.21 | 4.22 | 3.87 | 3.15 | 2.53 | 3.21 | 2.88 | 39.43 |