Falmouth Foreside, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 39.6 °F (low) to 55.7 °F (high). Annual precipitation averages 48.7 Inches. Falmouth Foreside is located in USDA Plant Hardiness Zone 6a. 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 | 16.0 °F | 31.7 °F | 3.53 in. |
| February | 18.0 °F | 34.3 °F | 3.53 in. |
| March | 26.2 °F | 41.5 °F | 4.06 in. |
| April | 36.4 °F | 52.8 °F | 4.46 in. |
| May | 46.4 °F | 63.1 °F | 3.62 in. |
| June | 56.0 °F | 72.9 °F | 4.39 in. |
| July | 61.8 °F | 78.6 °F | 3.53 in. |
| August | 61.2 °F | 78.1 °F | 3.39 in. |
| September | 53.7 °F | 70.9 °F | 3.98 in. |
| October | 42.7 °F | 59.0 °F | 5.29 in. |
| November | 32.9 °F | 47.8 °F | 4.29 in. |
| December | 23.3 °F | 37.8 °F | 4.66 in. |
| Annual | 39.6 °F | 55.7 °F | 48.73 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 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |