North Andover, Massachusetts has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38.9 °F (low) to 59.3 °F (high). Annual precipitation averages 47.8 Inches. North Andover is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.6 °F | 35.1 °F | 3.59 in. |
| February | 18.4 °F | 37.7 °F | 3.44 in. |
| March | 25.7 °F | 45.1 °F | 4.67 in. |
| April | 36.0 °F | 57.6 °F | 4.04 in. |
| May | 46.0 °F | 67.9 °F | 3.74 in. |
| June | 55.4 °F | 76.9 °F | 4.31 in. |
| July | 61.3 °F | 82.7 °F | 3.64 in. |
| August | 59.7 °F | 81.3 °F | 3.44 in. |
| September | 52.1 °F | 74.2 °F | 3.75 in. |
| October | 40.5 °F | 61.9 °F | 4.82 in. |
| November | 31.4 °F | 50.9 °F | 3.81 in. |
| December | 23.1 °F | 40.6 °F | 4.58 in. |
| Annual | 38.9 °F | 59.3 °F | 47.83 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |