Franklin County Climate
Franklin County, Massachusetts
Avg Annual Temp
48.1°F
Annual Precip
47.6"
Annual Snowfall
65.5"
Extreme Heat Days
9.85
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Franklin County Weather
Inland Valley and Highlands
Franklin County’s 48.1°F average temperature is notably cooler than the national median and the state average. This inland region experiences a more pronounced continental climate with sharp seasonal shifts.
Cooler than the Commonwealth
Franklin sits 1.4 degrees below the Massachusetts average of 49.5°F. Its January average of 23.9°F highlights its position as one of the state's colder interior regions.
Neighboring the Pioneer Valley
Franklin is warmer than Berkshire County but cooler than Hampden County. It receives significantly more snow than many coastal peers, totaling 65.5 inches per year.
Significant Snow and Interior Heat
Residents face 65.5 inches of snow annually, the highest among these eight counties. While July averages 71.5°F, the county still records 10 days of extreme heat over 90°F.
Winter Readiness is Key
With over five feet of annual snow, heavy-duty winter gear and four-wheel-drive vehicles are local staples. The 47.6 inches of rain and 10 heat days require versatile home climate systems for all seasons.
Frequently Asked Questions
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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.