Climate Zone of Scarborough, Maine

Scarborough, Maine, falls within the Humid Continental Climate (Köppen: Dfb) zone.

Seasonal Characteristics

• Summers: Warm and humid. Average July high ~79°F (26°C), low ~59°F (15°C).
• Winters: Cold, snowy, and prolonged. Average January high ~31°F (-0.5°C), low ~13°F (-11°C). Annual snowfall ~60 inches (150 cm).
• Precipitation: Evenly distributed year-round, ~44–50 inches (1,100–1,270 mm) annually.
• Transition Seasons: Spring is cool and wet; Autumn is crisp with vibrant foliage (peak early October).

Coastal moderation from the Gulf of Maine slightly tempers extremes compared to inland Maine, but nor'easters bring heavy snow and wind.