| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| 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: | 83c - Ontario Lowlands |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 13111 - Martville, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 16 | 25 | 36 | 46 | 55 | 61 | 59 | 52 | 42 | 33 | 22 | 39 |
| Avg Max Temp (°F) | 31 | 33 | 42 | 54 | 67 | 76 | 80 | 79 | 71 | 59 | 47 | 36 | 56 |
| Avg Precip (In.) | 2.93 | 2.31 | 2.92 | 3.36 | 3.18 | 3.64 | 3.19 | 3.65 | 4.19 | 3.63 | 4.05 | 3.29 | 40.36 |