| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 83c - Ontario Lowlands |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 13090 - Liverpool, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 14 | 15 | 24 | 35 | 46 | 54 | 59 | 58 | 51 | 40 | 32 | 21 | 37 |
| Avg Max Temp (°F) | 31 | 33 | 43 | 55 | 68 | 77 | 81 | 79 | 71 | 60 | 47 | 36 | 57 |
| Avg Precip (In.) | 3.23 | 2.55 | 3.23 | 3.37 | 3.45 | 3.78 | 3.75 | 3.75 | 4.41 | 3.5 | 4.08 | 3.54 | 42.65 |