Sharon, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.8 °C (low) to 15.4 °C (high). Annual precipitation averages 1278.4 Millimeters. Sharon 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 | -7.4 °C | 2.4 °C | 104.65 mm |
| February | -6.6 °C | 3.7 °C | 89.66 mm |
| March | -2.6 °C | 7.7 °C | 126.75 mm |
| April | 3.1 °C | 14.3 °C | 116.84 mm |
| May | 8.6 °C | 20.1 °C | 90.42 mm |
| June | 13.8 °C | 24.8 °C | 103.63 mm |
| July | 17.2 °C | 28.1 °C | 89.92 mm |
| August | 16.4 °C | 27.2 °C | 98.55 mm |
| September | 12.4 °C | 23.3 °C | 99.06 mm |
| October | 6.1 °C | 16.7 °C | 127.51 mm |
| November | 0.8 °C | 10.9 °C | 108.71 mm |
| December | -3.9 °C | 5.4 °C | 122.68 mm |
| Annual | 4.8 °C | 15.4 °C | 1278.38 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 |