| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°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: | 57a - Maumee Lake Plains |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 45891 - Van Wert, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 18 | 28 | 38 | 49 | 59 | 62 | 60 | 53 | 41 | 32 | 22 | 40 |
| Avg Max Temp (°F) | 31 | 35 | 47 | 59 | 71 | 80 | 85 | 82 | 76 | 63 | 49 | 36 | 60 |
| Avg Precip (In.) | 2.07 | 1.86 | 2.63 | 3.43 | 3.78 | 4.22 | 3.86 | 3.4 | 2.94 | 2.55 | 3.02 | 2.71 | 36.47 |