| 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 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F | |
| Average First Frost Date: | Sep. 21 - Sep. 30 | |
| Average Last Frost Date: | May 21 - May 31 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 58g - Worcester/Monadnock Plateau | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 03449 - Hancock, NH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 13 | 22 | 32 | 43 | 52 | 57 | 55 | 48 | 37 | 28 | 17 | 35 |
| Avg Max Temp (°F) | 30 | 33 | 42 | 54 | 67 | 75 | 79 | 77 | 69 | 58 | 46 | 34 | 55 |
| Avg Precip (In.) | 4.07 | 3.21 | 4.07 | 4.05 | 4 | 3.89 | 3.9 | 4.02 | 3.81 | 4.19 | 4.23 | 4.1 | 47.54 |