Goshen, Connecticut has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 37.9 °F (low) to 57.1 °F (high). Annual precipitation averages 52 Inches. Goshen is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.1 °F | 32.0 °F | 3.63 in. |
| February | 17.0 °F | 35.0 °F | 3.06 in. |
| March | 24.0 °F | 42.8 °F | 4.16 in. |
| April | 35.4 °F | 56.9 °F | 3.94 in. |
| May | 46.0 °F | 67.7 °F | 4.07 in. |
| June | 55.3 °F | 75.9 °F | 4.91 in. |
| July | 59.2 °F | 80.7 °F | 4.85 in. |
| August | 57.8 °F | 78.9 °F | 4.77 in. |
| September | 51.0 °F | 71.4 °F | 4.93 in. |
| October | 40.8 °F | 59.9 °F | 5.34 in. |
| November | 31.0 °F | 47.6 °F | 3.87 in. |
| December | 21.9 °F | 36.7 °F | 4.47 in. |
| Annual | 37.9 °F | 57.1 °F | 52 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |