East Millinocket, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31.3 °F (low) to 52.9 °F (high). Annual precipitation averages 45.3 Inches. East Millinocket 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 | 3.7 °F | 24.9 °F | 3.41 in. |
| February | 4.6 °F | 28.3 °F | 2.73 in. |
| March | 16.2 °F | 37.7 °F | 3.55 in. |
| April | 29.2 °F | 50.2 °F | 3.7 in. |
| May | 40.5 °F | 64.1 °F | 3.64 in. |
| June | 50.4 °F | 73.1 °F | 4.13 in. |
| July | 56.5 °F | 78.7 °F | 3.59 in. |
| August | 54.0 °F | 77.6 °F | 3.64 in. |
| September | 46.3 °F | 69.9 °F | 3.54 in. |
| October | 35.3 °F | 55.8 °F | 4.96 in. |
| November | 25.9 °F | 43.1 °F | 4.13 in. |
| December | 13.5 °F | 31.4 °F | 4.3 in. |
| Annual | 31.3 °F | 52.9 °F | 45.32 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |