Steuben, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.2 °F (low) to 53.6 °F (high). Annual precipitation averages 51.9 Inches. Steuben is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 12.7 °F | 30.4 °F | 4.5 in. |
| February | 14.7 °F | 32.4 °F | 3.75 in. |
| March | 22.8 °F | 39.3 °F | 4.58 in. |
| April | 33.2 °F | 50.2 °F | 4.35 in. |
| May | 43.0 °F | 61.1 °F | 4.16 in. |
| June | 51.6 °F | 70.2 °F | 4.06 in. |
| July | 57.3 °F | 75.9 °F | 3.29 in. |
| August | 57.2 °F | 75.6 °F | 3.06 in. |
| September | 50.2 °F | 68.3 °F | 3.97 in. |
| October | 40.4 °F | 57.1 °F | 5.51 in. |
| November | 31.0 °F | 46.5 °F | 5.28 in. |
| December | 20.3 °F | 36.7 °F | 5.37 in. |
| Annual | 36.2 °F | 53.6 °F | 51.88 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°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 |