| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F 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 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F | |
| Average First Frost Date: | Sep. 21 - Sep. 30 | |
| Average Last Frost Date: | Jun. 1 - Jun. 10 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 58f - Vermont Piedmont | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 03743 - Claremont, NH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 8 | 10 | 21 | 32 | 43 | 52 | 57 | 55 | 47 | 35 | 27 | 15 | 33 |
| Avg Max Temp (°F) | 29 | 33 | 42 | 55 | 68 | 77 | 81 | 79 | 70 | 58 | 45 | 34 | 56 |
| Avg Precip (In.) | 2.93 | 2.24 | 2.86 | 2.91 | 3.34 | 3.3 | 3.73 | 3.6 | 3.32 | 3.39 | 3.11 | 2.85 | 37.56 |