Townshend, Vermont has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.7 °F (low) to 56.5 °F (high). Annual precipitation averages 49.7 Inches. Townshend is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 10.9 °F | 30.3 °F | 3.61 in. |
| February | 12.1 °F | 33.5 °F | 3.07 in. |
| March | 20.8 °F | 41.7 °F | 3.94 in. |
| April | 32.1 °F | 54.9 °F | 4.01 in. |
| May | 43.4 °F | 67.4 °F | 4.07 in. |
| June | 52.8 °F | 76.1 °F | 4.38 in. |
| July | 58.0 °F | 81.1 °F | 4.19 in. |
| August | 55.9 °F | 79.6 °F | 4.18 in. |
| September | 48.1 °F | 72.3 °F | 4.28 in. |
| October | 36.6 °F | 58.9 °F | 5.54 in. |
| November | 27.8 °F | 46.7 °F | 4.02 in. |
| December | 18.4 °F | 35.6 °F | 4.41 in. |
| Annual | 34.7 °F | 56.5 °F | 49.7 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |