| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 11 - May 20 | |
| 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 03246 - Laconia, NH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 9 | 11 | 22 | 32 | 44 | 54 | 59 | 57 | 49 | 38 | 29 | 17 | 35 |
| Avg Max Temp (°F) | 28 | 32 | 41 | 54 | 68 | 76 | 80 | 78 | 69 | 57 | 45 | 33 | 55 |
| Avg Precip (In.) | 3.35 | 2.56 | 3.11 | 3.41 | 3.61 | 3.63 | 4.08 | 3.67 | 3.34 | 3.81 | 3.69 | 3.21 | 41.47 |