Newport Center, Vermont has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.8 °F (low) to 52.7 °F (high). Annual precipitation averages 47 Inches. Newport Center is located in USDA Plant Hardiness Zone 4b. 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 | 5.3 °F | 24.4 °F | 3.29 in. |
| February | 6.8 °F | 27.6 °F | 2.79 in. |
| March | 16.9 °F | 36.8 °F | 3.12 in. |
| April | 31.2 °F | 51.3 °F | 3.61 in. |
| May | 43.0 °F | 65.1 °F | 4.15 in. |
| June | 52.1 °F | 73.9 °F | 4.68 in. |
| July | 56.8 °F | 78.2 °F | 4.86 in. |
| August | 55.2 °F | 76.6 °F | 4.58 in. |
| September | 47.8 °F | 69.1 °F | 3.82 in. |
| October | 37.1 °F | 55.6 °F | 4.64 in. |
| November | 26.5 °F | 42.5 °F | 3.62 in. |
| December | 14.8 °F | 31.0 °F | 3.79 in. |
| Annual | 32.8 °F | 52.7 °F | 46.95 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 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |