Mansfield Center, Connecticut has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.4 °C (low) to 15.8 °C (high). Annual precipitation averages 1265.7 Millimeters. Mansfield Center 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.7 °C | 2.6 °C | 98.55 mm |
| February | -7 °C | 3.9 °C | 83.06 mm |
| March | -2.7 °C | 8.3 °C | 115.82 mm |
| April | 2.8 °C | 15.1 °C | 112.01 mm |
| May | 8.3 °C | 20.8 °C | 89.66 mm |
| June | 13.4 °C | 25.4 °C | 105.66 mm |
| July | 16.8 °C | 28.2 °C | 102.11 mm |
| August | 15.7 °C | 27.3 °C | 105.66 mm |
| September | 11.6 °C | 23.7 °C | 108.2 mm |
| October | 5.3 °C | 17.3 °C | 125.22 mm |
| November | 0.1 °C | 11.2 °C | 102.62 mm |
| December | -4.3 °C | 5.6 °C | 117.09 mm |
| Annual | 4.4 °C | 15.8 °C | 1265.66 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 125-150 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 | Dfb - Humid Continental Mild Summer, Wet All Year |