| 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 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| Average First Frost Date: | September 21 - 30 |
| Average Last Frost Date: | May 21 - 31 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 58q - Sunapee Uplands |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 03444 - Dublin, NH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 8 | 10 | 20 | 30 | 41 | 50 | 55 | 53 | 45 | 33 | 26 | 15 | 32 |
| Avg Max Temp (°F) | 29 | 32 | 41 | 53 | 66 | 73 | 78 | 75 | 67 | 57 | 45 | 34 | 54 |
| Avg Precip (In.) | 3.86 | 3.04 | 3.96 | 3.91 | 4.57 | 4.05 | 4.18 | 4.3 | 3.88 | 4.03 | 4.17 | 3.9 | 47.84 |