Sangerville, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.2 °F (low) to 52.7 °F (high). Annual precipitation averages 44.9 Inches. Sangerville 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 | 5.4 °F | 25.1 °F | 3.34 in. |
| February | 6.9 °F | 28.7 °F | 2.73 in. |
| March | 17.2 °F | 37.8 °F | 3.3 in. |
| April | 29.6 °F | 50.5 °F | 3.66 in. |
| May | 41.1 °F | 63.8 °F | 3.83 in. |
| June | 50.7 °F | 72.4 °F | 4.8 in. |
| July | 56.4 °F | 78.0 °F | 3.85 in. |
| August | 54.7 °F | 76.8 °F | 3.47 in. |
| September | 46.8 °F | 69.2 °F | 3.78 in. |
| October | 36.3 °F | 55.7 °F | 4.81 in. |
| November | 26.6 °F | 43.0 °F | 3.72 in. |
| December | 14.8 °F | 31.5 °F | 3.59 in. |
| Annual | 32.2 °F | 52.7 °F | 44.88 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 |