Eddington, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 33.5 °F (low) to 54.3 °F (high). Annual precipitation averages 43.9 Inches. Eddington is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.9 °F | 27.6 °F | 3.48 in. |
| February | 8.5 °F | 30.7 °F | 2.75 in. |
| March | 19.6 °F | 39.3 °F | 3.54 in. |
| April | 31.5 °F | 52.1 °F | 3.68 in. |
| May | 42.1 °F | 64.7 °F | 3.41 in. |
| June | 51.6 °F | 73.8 °F | 3.83 in. |
| July | 57.6 °F | 79.5 °F | 3.23 in. |
| August | 55.5 °F | 78.4 °F | 3.25 in. |
| September | 47.6 °F | 70.2 °F | 3.62 in. |
| October | 37.0 °F | 57.0 °F | 4.63 in. |
| November | 28.1 °F | 44.9 °F | 4.04 in. |
| December | 16.4 °F | 33.6 °F | 4.47 in. |
| Annual | 33.5 °F | 54.3 °F | 43.93 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |