| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F | |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F | |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| 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 14464 - Hamlin, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 18 | 26 | 36 | 46 | 56 | 61 | 60 | 53 | 42 | 33 | 23 | 39 |
| Avg Max Temp (°F) | 32 | 35 | 43 | 57 | 70 | 78 | 83 | 80 | 73 | 61 | 48 | 37 | 58 |
| Avg Precip (In.) | 1.61 | 1.47 | 2.27 | 2.75 | 2.68 | 3.2 | 2.52 | 3.07 | 3.52 | 2.61 | 2.83 | 2.46 | 31 |