| 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 |
| 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: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 55a - Clayey High Lime Till Plains |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 44074 - Oberlin, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 19 | 27 | 36 | 47 | 56 | 61 | 59 | 52 | 41 | 32 | 22 | 39 |
| Avg Max Temp (°F) | 32 | 36 | 46 | 58 | 70 | 79 | 83 | 81 | 74 | 63 | 49 | 37 | 59 |
| Avg Precip (In.) | 2.26 | 2.04 | 2.66 | 3.23 | 3.6 | 3.92 | 3.72 | 3.54 | 3.26 | 2.41 | 3.06 | 2.79 | 36.51 |