Dracut, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.1 °C (low) to 15.2 °C (high). Annual precipitation averages 1210.8 Millimeters. Dracut is located in USDA Plant Hardiness Zone 6a. 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 | -9.4 °C | 1.4 °C | 90.93 mm |
| February | -8.4 °C | 2.9 °C | 83.57 mm |
| March | -4.2 °C | 7.2 °C | 110.24 mm |
| April | 1.6 °C | 14.2 °C | 99.57 mm |
| May | 7.4 °C | 20.1 °C | 97.03 mm |
| June | 12.6 °C | 25.2 °C | 107.95 mm |
| July | 15.8 °C | 28.3 °C | 95.25 mm |
| August | 14.8 °C | 27.5 °C | 95.5 mm |
| September | 10.5 °C | 23.5 °C | 98.04 mm |
| October | 3.9 °C | 16.7 °C | 123.19 mm |
| November | -1.2 °C | 10.3 °C | 97.54 mm |
| December | -5.8 °C | 4.5 °C | 112.01 mm |
| Annual | 3.1 °C | 15.2 °C | 1210.82 mm |
| 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 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |