New Sharon, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 33.5 °F (low) to 54.5 °F (high). Annual precipitation averages 48 Inches. New Sharon 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 Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 7.4 °F | 27.8 °F | 3.42 in. |
| February | 8.6 °F | 31.0 °F | 2.98 in. |
| March | 19.2 °F | 39.6 °F | 3.61 in. |
| April | 31.2 °F | 52.4 °F | 4.07 in. |
| May | 42.4 °F | 65.1 °F | 3.67 in. |
| June | 52.0 °F | 73.7 °F | 4.84 in. |
| July | 57.6 °F | 79.1 °F | 4.09 in. |
| August | 55.8 °F | 78.3 °F | 3.66 in. |
| September | 47.7 °F | 71.0 °F | 3.49 in. |
| October | 37.0 °F | 57.6 °F | 5.56 in. |
| November | 27.2 °F | 45.0 °F | 4.27 in. |
| December | 16.1 °F | 33.8 °F | 4.34 in. |
| Annual | 33.5 °F | 54.5 °F | 48 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 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |