| 2023 Hardiness Zone: | Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F | |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 21 - May 31 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| 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 03872 - Sanbornville, NH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 12 | 23 | 32 | 43 | 53 | 58 | 56 | 49 | 38 | 30 | 19 | 36 |
| Avg Max Temp (°F) | 30 | 33 | 42 | 54 | 66 | 75 | 80 | 78 | 69 | 59 | 46 | 34 | 55 |
| Avg Precip (In.) | 3.93 | 3.28 | 4.22 | 4.38 | 4.03 | 3.88 | 3.94 | 3.7 | 3.77 | 4.42 | 4.63 | 4.18 | 48.35 |