Melvin Village, New Hampshire has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.7 °F (low) to 56.2 °F (high). Annual precipitation averages 46.8 Inches. Melvin Village is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 11.6 °F | 29.6 °F | 3.19 in. |
| February | 12.5 °F | 32.8 °F | 3.23 in. |
| March | 21.1 °F | 41.6 °F | 3.6 in. |
| April | 32.6 °F | 55.0 °F | 3.81 in. |
| May | 44.0 °F | 67.9 °F | 3.72 in. |
| June | 53.5 °F | 76.1 °F | 4.14 in. |
| July | 58.7 °F | 81.2 °F | 4.38 in. |
| August | 57.1 °F | 79.7 °F | 3.81 in. |
| September | 49.6 °F | 71.6 °F | 3.65 in. |
| October | 38.8 °F | 58.2 °F | 4.97 in. |
| November | 29.3 °F | 45.8 °F | 3.9 in. |
| December | 19.6 °F | 35.3 °F | 4.35 in. |
| Annual | 35.7 °F | 56.2 °F | 46.75 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |