Franklin County Climate
Franklin County, Maine
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
40.7°F
Annual Precip
45.6"
Annual Snowfall
103.5"
Extreme Heat Days
2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
1,608
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Franklin County
Climate Verdict
Franklin County has a cool, averaging 40.7°F annually, moderately wet with 45.6 inches of annual precipitation, rare extreme heat with only 1.6600000000000001 days above 90°F annually, heavy winter snowfall averaging 103.5 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 13.8°F. summers are pleasantly cool with July averaging 65.4°F. Residents experience a substantial 52°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Franklin County is 3.2°F cooler than the Maine statewide average of 43.8°F, it is somewhat drier than average for Maine.
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.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.