| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F | |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 83c - Ontario Lowlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 14120 - North Tonawanda, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 18 | 26 | 36 | 47 | 56 | 62 | 60 | 53 | 42 | 33 | 23 | 40 |
| Avg Max Temp (°F) | 31 | 33 | 43 | 55 | 67 | 76 | 81 | 79 | 71 | 60 | 47 | 36 | 57 |
| Avg Precip (In.) | 2.8 | 2.22 | 2.8 | 3.06 | 3.14 | 3.66 | 3.16 | 3.74 | 3.83 | 3.07 | 3.61 | 3.42 | 38.52 |