Hope, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.9 °C (low) to 12.1 °C (high). Annual precipitation averages 1367.8 Millimeters. Hope 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 | -11.3 °C | -1.7 °C | 112.01 mm |
| February | -10.8 °C | -0.4 °C | 99.31 mm |
| March | -5.3 °C | 3.9 °C | 115.82 mm |
| April | 1.2 °C | 10.4 °C | 125.48 mm |
| May | 7.2 °C | 17.1 °C | 97.79 mm |
| June | 12.3 °C | 21.5 °C | 122.17 mm |
| July | 15.8 °C | 25.1 °C | 81.79 mm |
| August | 15.7 °C | 24.8 °C | 85.6 mm |
| September | 11.5 °C | 20.7 °C | 114.05 mm |
| October | 5.6 °C | 14.1 °C | 153.42 mm |
| November | -0.3 °C | 7.9 °C | 128.27 mm |
| December | -6.3 °C | 1.9 °C | 132.08 mm |
| Annual | 2.9 °C | 12.1 °C | 1367.79 mm |
| 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 : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |