Shoreham, Vermont has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.2 °C (low) to 13.6 °C (high). Annual precipitation averages 950 Millimeters. Shoreham is located in USDA Plant Hardiness Zone 5a. 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 | -11.6 °C | -1.5 °C | 63.25 mm |
| February | -11.2 °C | -0.2 °C | 50.04 mm |
| March | -5.6 °C | 4.8 °C | 63.75 mm |
| April | 0.6 °C | 13.2 °C | 76.45 mm |
| May | 7.3 °C | 19.9 °C | 83.06 mm |
| June | 12.5 °C | 25.3 °C | 96.52 mm |
| July | 15.2 °C | 27.9 °C | 97.54 mm |
| August | 14.5 °C | 27.1 °C | 89.66 mm |
| September | 9.9 °C | 22.9 °C | 82.8 mm |
| October | 3.6 °C | 14.6 °C | 98.04 mm |
| November | -1.3 °C | 7.8 °C | 71.63 mm |
| December | -7.4 °C | 1.4 °C | 77.22 mm |
| Annual | 2.2 °C | 13.6 °C | 949.96 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |