Bridgton, Maine has a Subarctic With Cool Summers And Year Around Rainfall climate (Köppen classification: Dfc). Average annual temperatures range from 1.3 °C (low) to 13 °C (high). Annual precipitation averages 1278.7 Millimeters. 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 | -12.8 °C | -1.6 °C | 88.65 mm |
| February | -12.3 °C | 0.2 °C | 91.19 mm |
| March | -6.6 °C | 5 °C | 99.57 mm |
| April | -0.2 °C | 12.2 °C | 105.41 mm |
| May | 6.1 °C | 19.2 °C | 89.41 mm |
| June | 11.7 °C | 23.5 °C | 121.67 mm |
| July | 14.7 °C | 26.5 °C | 108.71 mm |
| August | 13.8 °C | 25.8 °C | 105.16 mm |
| September | 9.3 °C | 21.6 °C | 102.11 mm |
| October | 3.1 °C | 14.4 °C | 139.19 mm |
| November | -2.4 °C | 7.6 °C | 113.03 mm |
| December | -8.3 °C | 1.7 °C | 114.55 mm |
| Annual | 1.3 °C | 13 °C | 1278.65 mm |
| 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 : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfc - Subarctic With Cool Summers And Year Around Rainfall |