Franklin County Climate
Franklin County, Maine
Avg Annual Temp
40.7°F
Annual Precip
45.5"
Annual Snowfall
103.5"
Extreme Heat Days
1.66
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Franklin County Weather
A rugged climate defined by mountains
Franklin's 40.7°F average annual temperature is much lower than the national median. This reflects its high-elevation and northern inland geography which keeps the air crisp year-round.
Cooler than the average Maine county
At 40.7°F, the county is much colder than the 43.8°F Maine average. It ranks as one of the most frigid counties in the state outside of the far north.
A step colder than the lowlands
Its annual average is nearly 4 degrees lower than neighboring Androscoggin. While slightly warmer than Aroostook, it shares many of the same harsh winter characteristics and heavy snowfall.
Abundant snowfall and minimal summer heat
The county is a snow magnet, receiving 103.5 inches annually while seeing only 2 days of 90°F heat. Winter temperatures average a cold 17.0°F, ensuring snow stays on the ground.
Winter sports and wood stove staples
Given the 103.5 inches of snow, residents should plan for extensive winter maintenance and heating costs. Extreme heat is rare, so air conditioning is less critical than a reliable backup heat source.
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.