South Hooksett, New Hampshire has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.7 °F (low) to 57.8 °F (high). Annual precipitation averages 43.6 Inches. South Hooksett is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.0 °F | 32.3 °F | 2.86 in. |
| February | 14.9 °F | 35.3 °F | 2.86 in. |
| March | 22.8 °F | 43.3 °F | 3.4 in. |
| April | 33.8 °F | 56.5 °F | 3.55 in. |
| May | 44.8 °F | 68.0 °F | 3.55 in. |
| June | 54.3 °F | 76.9 °F | 4.29 in. |
| July | 59.8 °F | 81.9 °F | 3.74 in. |
| August | 58.1 °F | 80.5 °F | 3.73 in. |
| September | 50.7 °F | 73.2 °F | 3.77 in. |
| October | 38.8 °F | 59.8 °F | 4.44 in. |
| November | 29.2 °F | 48.6 °F | 3.52 in. |
| December | 19.7 °F | 37.7 °F | 3.93 in. |
| Annual | 36.7 °F | 57.8 °F | 43.64 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°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 |