| 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: | 83f - Mohawk Valley |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 13354 - Holland Patent, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 9 | 10 | 20 | 32 | 43 | 52 | 57 | 55 | 48 | 37 | 28 | 17 | 34 |
| Avg Max Temp (°F) | 28 | 31 | 40 | 54 | 67 | 75 | 80 | 78 | 69 | 57 | 45 | 33 | 55 |
| Avg Precip (In.) | 3.89 | 2.96 | 3.82 | 3.76 | 4.02 | 4.32 | 4.28 | 4 | 5.07 | 3.77 | 4.48 | 4.02 | 48.38 |