| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F 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 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 61c - Low Lime Drift Plain |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 14772 - Randolph, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 13 | 14 | 22 | 32 | 43 | 52 | 56 | 55 | 48 | 38 | 30 | 21 | 35 |
| Avg Max Temp (°F) | 31 | 33 | 43 | 55 | 67 | 76 | 80 | 78 | 70 | 59 | 46 | 35 | 56 |
| Avg Precip (In.) | 3.05 | 2.31 | 3.2 | 3.46 | 3.43 | 4.19 | 4.04 | 4.21 | 4.59 | 3.81 | 4.01 | 3.65 | 43.93 |