| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°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 |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 83b - Champlain Lowlands |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12887 - Whitehall, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 12 | 23 | 35 | 47 | 56 | 60 | 58 | 51 | 39 | 31 | 19 | 37 |
| Avg Max Temp (°F) | 30 | 33 | 44 | 57 | 71 | 79 | 84 | 81 | 72 | 60 | 47 | 35 | 58 |
| Avg Precip (In.) | 3.25 | 2.28 | 2.94 | 3.01 | 3.73 | 3.32 | 4.02 | 4.22 | 3.75 | 3.48 | 3.47 | 2.82 | 40.29 |