| 2023 Hardiness Zone: | Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| 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 13421 - Oneida, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 13 | 14 | 24 | 34 | 46 | 54 | 59 | 58 | 50 | 39 | 31 | 20 | 37 |
| Avg Max Temp (°F) | 30 | 32 | 42 | 55 | 68 | 77 | 81 | 79 | 71 | 59 | 46 | 35 | 56 |
| Avg Precip (In.) | 2.75 | 2.32 | 2.86 | 3.52 | 3.5 | 3.94 | 3.69 | 3.88 | 4.52 | 3.5 | 3.95 | 3.21 | 41.64 |