Carver, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 5.2 °C (low) to 15.5 °C (high). Annual precipitation averages 1304.8 Millimeters. Carver 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 | -6.5 °C | 3.3 °C | 110.49 mm |
| February | -5.8 °C | 4.3 °C | 96.52 mm |
| March | -2.1 °C | 7.8 °C | 140.21 mm |
| April | 3.2 °C | 13.7 °C | 116.59 mm |
| May | 8.6 °C | 19.3 °C | 93.47 mm |
| June | 13.8 °C | 24.3 °C | 98.55 mm |
| July | 17.4 °C | 27.7 °C | 86.36 mm |
| August | 16.6 °C | 26.9 °C | 93.22 mm |
| September | 12.7 °C | 23.2 °C | 100.58 mm |
| October | 6.6 °C | 17.1 °C | 124.71 mm |
| November | 1.3 °C | 11.6 °C | 113.79 mm |
| December | -3.2 °C | 6.3 °C | 130.3 mm |
| Annual | 5.2 °C | 15.5 °C | 1304.79 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |