Stratton Mountain, Vermont has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31.6 °F (low) to 51.5 °F (high). Annual precipitation averages 61.6 Inches. Stratton Mountain is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 8.1 °F | 26.8 °F | 4.61 in. |
| February | 7.6 °F | 28.7 °F | 3.82 in. |
| March | 17.1 °F | 37.0 °F | 4.72 in. |
| April | 28.3 °F | 49.5 °F | 4.94 in. |
| May | 41.6 °F | 62.1 °F | 5.11 in. |
| June | 50.3 °F | 70.3 °F | 6.16 in. |
| July | 54.8 °F | 74.8 °F | 4.95 in. |
| August | 53.3 °F | 73.4 °F | 5.21 in. |
| September | 44.3 °F | 67.2 °F | 5.18 in. |
| October | 35.0 °F | 54.3 °F | 6.34 in. |
| November | 24.3 °F | 42.2 °F | 4.97 in. |
| December | 14.8 °F | 31.8 °F | 5.6 in. |
| Annual | 31.6 °F | 51.5 °F | 61.61 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |