Enfield, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31.4 °F (low) to 53.7 °F (high). Annual precipitation averages 45.5 Inches. Enfield 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 Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.2 °F | 26.3 °F | 3.34 in. |
| February | 5.2 °F | 29.4 °F | 2.82 in. |
| March | 17.0 °F | 38.4 °F | 3.27 in. |
| April | 29.7 °F | 50.8 °F | 3.74 in. |
| May | 40.5 °F | 64.0 °F | 3.55 in. |
| June | 49.9 °F | 73.2 °F | 4.62 in. |
| July | 56.0 °F | 78.9 °F | 3.49 in. |
| August | 53.7 °F | 78.4 °F | 3.62 in. |
| September | 45.8 °F | 70.4 °F | 3.84 in. |
| October | 35.0 °F | 57.1 °F | 4.72 in. |
| November | 26.2 °F | 44.1 °F | 4.19 in. |
| December | 14.0 °F | 32.8 °F | 4.31 in. |
| Annual | 31.4 °F | 53.7 °F | 45.51 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 |