Bridgton, Maine has a Subarctic With Cool Summers And Year Around Rainfall climate (Köppen classification: Dfc). Average annual temperatures range from 34.4 °F (low) to 55.4 °F (high). Annual precipitation averages 50.3 Inches. Bridgton is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.0 °F | 29.2 °F | 3.49 in. |
| February | 9.9 °F | 32.4 °F | 3.59 in. |
| March | 20.1 °F | 41.0 °F | 3.92 in. |
| April | 31.7 °F | 53.9 °F | 4.15 in. |
| May | 43.0 °F | 66.6 °F | 3.52 in. |
| June | 53.0 °F | 74.3 °F | 4.79 in. |
| July | 58.5 °F | 79.7 °F | 4.28 in. |
| August | 56.8 °F | 78.5 °F | 4.14 in. |
| September | 48.8 °F | 70.8 °F | 4.02 in. |
| October | 37.5 °F | 57.9 °F | 5.48 in. |
| November | 27.6 °F | 45.7 °F | 4.45 in. |
| December | 17.1 °F | 35.0 °F | 4.51 in. |
| Annual | 34.4 °F | 55.4 °F | 50.34 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfc - Subarctic With Cool Summers And Year Around Rainfall |