Everett, Massachusetts has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.1 °C (low) to 15.3 °C (high). Annual precipitation averages 1279.4 Millimeters. Everett is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.1 °C | 2.7 °C | 104.65 mm |
| February | -5.2 °C | 3.9 °C | 95.5 mm |
| March | -1.4 °C | 7.4 °C | 125.98 mm |
| April | 4.2 °C | 13.8 °C | 111.51 mm |
| May | 9.6 °C | 19.4 °C | 91.95 mm |
| June | 14.9 °C | 24.7 °C | 106.68 mm |
| July | 18.2 °C | 28 °C | 95 mm |
| August | 17.7 °C | 27.1 °C | 93.73 mm |
| September | 13.7 °C | 23.1 °C | 97.54 mm |
| October | 7.6 °C | 16.9 °C | 125.48 mm |
| November | 2.3 °C | 11 °C | 105.66 mm |
| December | -2.6 °C | 5.7 °C | 125.73 mm |
| Annual | 6.1 °C | 15.3 °C | 1279.41 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |