| 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 5a: -20F to -15F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfc - Subarctic With Cool Summers And Year Around Rainfall | |
| Ecoregion: | 58r - Sebago-Ossipee Hills and Plains | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 03816 - Center Tuftonboro, NH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 8 | 9 | 20 | 30 | 41 | 51 | 55 | 54 | 45 | 35 | 27 | 15 | 32 |
| Avg Max Temp (°F) | 28 | 31 | 40 | 53 | 66 | 74 | 79 | 77 | 68 | 57 | 44 | 32 | 54 |
| Avg Precip (In.) | 3.69 | 2.84 | 3.65 | 3.66 | 3.99 | 3.82 | 4.07 | 3.99 | 3.61 | 4.08 | 4.04 | 3.69 | 45.12 |