| 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 4b: -25°F to -20°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F |
| 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 |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 13131 - Parish, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 12 | 22 | 33 | 44 | 53 | 58 | 57 | 50 | 39 | 31 | 19 | 36 |
| Avg Max Temp (°F) | 29 | 31 | 41 | 54 | 67 | 75 | 80 | 78 | 70 | 59 | 46 | 34 | 55 |
| Avg Precip (In.) | 3.88 | 2.98 | 3.45 | 3.54 | 3.6 | 3.94 | 3.77 | 3.95 | 4.62 | 3.84 | 4.55 | 4.11 | 46.23 |