Buckfield, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.9 °C (low) to 12.6 °C (high). Annual precipitation averages 1280.4 Millimeters. Buckfield is located in USDA Plant Hardiness Zone 5b. 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 | -12.1 °C | -2.1 °C | 89.66 mm |
| February | -11.2 °C | -0.4 °C | 83.82 mm |
| March | -5.9 °C | 4.4 °C | 96.01 mm |
| April | 0.4 °C | 11.5 °C | 112.27 mm |
| May | 6.5 °C | 18.4 °C | 100.33 mm |
| June | 11.9 °C | 23.2 °C | 132.84 mm |
| July | 15 °C | 26.3 °C | 103.63 mm |
| August | 14.1 °C | 25.8 °C | 98.04 mm |
| September | 9.7 °C | 21.6 °C | 95.5 mm |
| October | 3.7 °C | 14.3 °C | 143.51 mm |
| November | -1.8 °C | 7.3 °C | 111.25 mm |
| December | -7.5 °C | 1.2 °C | 113.54 mm |
| Annual | 1.9 °C | 12.6 °C | 1280.4 mm |
| 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 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |