Enfield, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.3 °C (low) to 12 °C (high). Annual precipitation averages 1156 Millimeters. 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 | -15.4 °C | -3.2 °C | 84.84 mm |
| February | -14.9 °C | -1.4 °C | 71.63 mm |
| March | -8.3 °C | 3.6 °C | 83.06 mm |
| April | -1.3 °C | 10.4 °C | 95 mm |
| May | 4.7 °C | 17.8 °C | 90.17 mm |
| June | 9.9 °C | 22.9 °C | 117.35 mm |
| July | 13.3 °C | 26.1 °C | 88.65 mm |
| August | 12.1 °C | 25.8 °C | 91.95 mm |
| September | 7.7 °C | 21.3 °C | 97.54 mm |
| October | 1.7 °C | 13.9 °C | 119.89 mm |
| November | -3.2 °C | 6.7 °C | 106.43 mm |
| December | -10 °C | 0.4 °C | 109.47 mm |
| Annual | -0.3 °C | 12 °C | 1155.98 mm |
| 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 : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |