| 2023 Hardiness Zone: | 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: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 55b - Loamy High Lime Till Plains |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 43228 - Columbus, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 22 | 31 | 40 | 50 | 59 | 64 | 62 | 54 | 43 | 34 | 25 | 42 |
| Avg Max Temp (°F) | 35 | 40 | 52 | 64 | 74 | 82 | 85 | 84 | 78 | 66 | 52 | 41 | 63 |
| Avg Precip (In.) | 2.47 | 2.16 | 2.85 | 3.47 | 4.12 | 4.27 | 4.19 | 3.81 | 2.91 | 2.49 | 3.22 | 2.83 | 38.78 |