| 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. 11 - Oct. 20 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 61c - Low Lime Drift Plain |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 44420 - Girard, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 19 | 27 | 36 | 46 | 55 | 59 | 58 | 51 | 40 | 32 | 23 | 39 |
| Avg Max Temp (°F) | 34 | 38 | 48 | 60 | 71 | 79 | 83 | 82 | 75 | 63 | 50 | 39 | 60 |
| Avg Precip (In.) | 2.26 | 1.88 | 2.86 | 3.25 | 3.49 | 4.17 | 4.11 | 3.47 | 3.87 | 2.59 | 3.07 | 2.81 | 37.83 |