| 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: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 61d - Erie Gorges |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 44264 - Peninsula, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 20 | 28 | 38 | 49 | 58 | 62 | 60 | 54 | 43 | 34 | 24 | 41 |
| Avg Max Temp (°F) | 33 | 37 | 47 | 59 | 70 | 79 | 83 | 81 | 73 | 61 | 49 | 38 | 59 |
| Avg Precip (In.) | 2.46 | 2.21 | 3.01 | 3.38 | 3.81 | 4.02 | 3.94 | 3.68 | 3.79 | 2.76 | 3.31 | 3.1 | 39.48 |