Hodgdon, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31.1 °F (low) to 51.3 °F (high). Annual precipitation averages 43 Inches. Hodgdon is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.3 °F | 23.0 °F | 3.58 in. |
| February | 4.7 °F | 26.1 °F | 2.77 in. |
| March | 15.9 °F | 35.7 °F | 3.24 in. |
| April | 29.0 °F | 48.7 °F | 3.34 in. |
| May | 40.2 °F | 63.2 °F | 3.41 in. |
| June | 49.7 °F | 72.2 °F | 4.11 in. |
| July | 55.7 °F | 77.3 °F | 3.66 in. |
| August | 53.8 °F | 76.4 °F | 3.42 in. |
| September | 46.1 °F | 68.3 °F | 3.3 in. |
| October | 35.5 °F | 54.5 °F | 4.11 in. |
| November | 25.7 °F | 41.0 °F | 3.82 in. |
| December | 13.0 °F | 29.5 °F | 4.19 in. |
| Annual | 31.1 °F | 51.3 °F | 42.95 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |