Searsmont, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36 °F (low) to 54.5 °F (high). Annual precipitation averages 50 Inches. Searsmont 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 10.7 °F | 28.9 °F | 3.91 in. |
| February | 12.5 °F | 32.0 °F | 3.52 in. |
| March | 22.1 °F | 40.1 °F | 4.0 in. |
| April | 33.4 °F | 52.3 °F | 4.6 in. |
| May | 43.8 °F | 63.8 °F | 3.76 in. |
| June | 53.2 °F | 72.5 °F | 4.34 in. |
| July | 59.2 °F | 78.3 °F | 3.22 in. |
| August | 57.9 °F | 77.6 °F | 3.52 in. |
| September | 50.4 °F | 70.2 °F | 3.96 in. |
| October | 39.7 °F | 57.9 °F | 5.95 in. |
| November | 30.0 °F | 45.9 °F | 4.52 in. |
| December | 19.1 °F | 34.9 °F | 4.65 in. |
| Annual | 36 °F | 54.5 °F | 49.95 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 5a : -20°F to -15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |