| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F | |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 59f - Gulf of Maine Coastal Lowland | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 03862 - North Hampton, NH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 17 | 26 | 34 | 44 | 54 | 59 | 58 | 50 | 40 | 31 | 21 | 37 |
| Avg Max Temp (°F) | 34 | 37 | 45 | 56 | 67 | 76 | 82 | 80 | 72 | 61 | 49 | 38 | 58 |
| Avg Precip (In.) | 4.17 | 3.38 | 4.26 | 4.36 | 3.62 | 3.63 | 3.47 | 3.42 | 3.88 | 4.33 | 4.75 | 4.36 | 47.62 |