Buxton, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.4 °F (low) to 56.7 °F (high). Annual precipitation averages 50 Inches. Buxton 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 | 11.1 °F | 31.0 °F | 3.44 in. |
| February | 11.9 °F | 34.1 °F | 3.55 in. |
| March | 21.6 °F | 42.2 °F | 4.29 in. |
| April | 32.6 °F | 54.7 °F | 4.52 in. |
| May | 43.3 °F | 66.5 °F | 3.81 in. |
| June | 53.2 °F | 75.2 °F | 4.55 in. |
| July | 59.0 °F | 81.0 °F | 3.85 in. |
| August | 57.4 °F | 79.8 °F | 3.59 in. |
| September | 49.6 °F | 72.1 °F | 3.92 in. |
| October | 38.3 °F | 59.5 °F | 5.5 in. |
| November | 28.7 °F | 47.4 °F | 4.37 in. |
| December | 18.5 °F | 36.7 °F | 4.62 in. |
| Annual | 35.4 °F | 56.7 °F | 50.01 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |