Dover-Foxcroft, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31.5 °F (low) to 53.5 °F (high). Annual precipitation averages 44.9 Inches. Dover-Foxcroft 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 | 4.6 °F | 25.7 °F | 3.38 in. |
| February | 5.5 °F | 29.3 °F | 2.75 in. |
| March | 16.7 °F | 38.6 °F | 3.35 in. |
| April | 29.1 °F | 51.5 °F | 3.71 in. |
| May | 40.4 °F | 64.7 °F | 3.73 in. |
| June | 50.2 °F | 73.3 °F | 4.59 in. |
| July | 56.0 °F | 78.9 °F | 3.7 in. |
| August | 53.9 °F | 77.7 °F | 3.57 in. |
| September | 46.0 °F | 70.0 °F | 3.68 in. |
| October | 35.2 °F | 56.6 °F | 4.82 in. |
| November | 25.9 °F | 43.8 °F | 3.85 in. |
| December | 14.1 °F | 32.2 °F | 3.77 in. |
| Annual | 31.5 °F | 53.5 °F | 44.9 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 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |