| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F | |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 83a - Erie Lake Plain | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 14048 - Dunkirk, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 20 | 28 | 38 | 49 | 58 | 63 | 62 | 55 | 45 | 37 | 26 | 42 |
| Avg Max Temp (°F) | 33 | 35 | 45 | 55 | 67 | 76 | 81 | 79 | 73 | 62 | 50 | 39 | 58 |
| Avg Precip (In.) | 2.13 | 1.86 | 2.54 | 2.96 | 3.05 | 3.44 | 3.46 | 3.58 | 4.51 | 3.64 | 3.77 | 3.06 | 38 |