Woburn, Massachusetts has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.7 °C (low) to 15.5 °C (high). Annual precipitation averages 1275.9 Millimeters. Woburn is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.7 °C | 2.2 °C | 100.84 mm |
| February | -6.7 °C | 3.6 °C | 92.71 mm |
| March | -2.7 °C | 7.6 °C | 122.68 mm |
| April | 3.1 °C | 14.4 °C | 110.24 mm |
| May | 8.7 °C | 20.2 °C | 95 mm |
| June | 13.9 °C | 25.2 °C | 108.97 mm |
| July | 17.2 °C | 28.4 °C | 98.3 mm |
| August | 16.4 °C | 27.6 °C | 95.76 mm |
| September | 12.2 °C | 23.6 °C | 99.06 mm |
| October | 5.8 °C | 16.9 °C | 124.71 mm |
| November | 0.6 °C | 10.9 °C | 103.63 mm |
| December | -4.1 °C | 5.2 °C | 123.95 mm |
| Annual | 4.7 °C | 15.5 °C | 1275.85 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |