Skowhegan, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 33.5 °F (low) to 54.7 °F (high). Annual precipitation averages 44 Inches. Skowhegan is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.9 °F | 27.9 °F | 3.16 in. |
| February | 7.9 °F | 31.0 °F | 2.59 in. |
| March | 18.9 °F | 39.9 °F | 3.24 in. |
| April | 31.3 °F | 52.4 °F | 3.77 in. |
| May | 42.4 °F | 65.0 °F | 3.42 in. |
| June | 52.3 °F | 74.0 °F | 4.36 in. |
| July | 58.0 °F | 79.4 °F | 3.67 in. |
| August | 56.1 °F | 78.6 °F | 3.5 in. |
| September | 48.1 °F | 71.1 °F | 3.52 in. |
| October | 37.2 °F | 57.9 °F | 4.92 in. |
| November | 27.4 °F | 45.2 °F | 3.96 in. |
| December | 15.9 °F | 33.9 °F | 3.88 in. |
| Annual | 33.5 °F | 54.7 °F | 43.99 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |