Stoddard, New Hampshire has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.2 °F (low) to 55 °F (high). Annual precipitation averages 52.3 Inches. Stoddard is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.9 °F | 28.2 °F | 3.78 in. |
| February | 11.6 °F | 31.4 °F | 3.44 in. |
| March | 19.3 °F | 39.4 °F | 4.09 in. |
| April | 33.9 °F | 55.2 °F | 4.05 in. |
| May | 41.9 °F | 67.0 °F | 4.08 in. |
| June | 53.9 °F | 74.5 °F | 4.76 in. |
| July | 59.6 °F | 78.9 °F | 5.02 in. |
| August | 55.3 °F | 77.5 °F | 4.45 in. |
| September | 46.5 °F | 70.1 °F | 4.29 in. |
| October | 40.8 °F | 57.6 °F | 5.62 in. |
| November | 27.8 °F | 45.0 °F | 4.04 in. |
| December | 21.9 °F | 35.2 °F | 4.65 in. |
| Annual | 35.2 °F | 55 °F | 52.27 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |