Hooksett, New Hampshire has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 37.3 °F (low) to 58 °F (high). Annual precipitation averages 44.8 Inches. 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 | 13.3 °F | 32.5 °F | 3.03 in. |
| February | 15.2 °F | 35.4 °F | 2.96 in. |
| March | 23.7 °F | 43.4 °F | 3.5 in. |
| April | 34.7 °F | 56.3 °F | 3.62 in. |
| May | 45.4 °F | 67.9 °F | 3.64 in. |
| June | 55.1 °F | 77.1 °F | 4.31 in. |
| July | 60.6 °F | 81.9 °F | 3.87 in. |
| August | 58.7 °F | 80.7 °F | 3.81 in. |
| September | 51.1 °F | 73.3 °F | 3.75 in. |
| October | 39.4 °F | 60.1 °F | 4.7 in. |
| November | 29.8 °F | 49.0 °F | 3.58 in. |
| December | 20.7 °F | 38.1 °F | 4.07 in. |
| Annual | 37.3 °F | 58 °F | 44.84 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 | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |