| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F 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. 11 - Oct. 20 |
| 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 13114 - Mexico, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 13 | 22 | 34 | 45 | 54 | 59 | 58 | 51 | 41 | 31 | 20 | 37 |
| Avg Max Temp (°F) | 30 | 32 | 41 | 53 | 67 | 75 | 80 | 78 | 71 | 59 | 46 | 34 | 55 |
| Avg Precip (In.) | 3.79 | 2.94 | 3.34 | 3.43 | 3.36 | 3.62 | 3.23 | 3.76 | 4.46 | 3.76 | 4.51 | 3.91 | 44.11 |