Berkshire County Climate
Berkshire County, Massachusetts
Avg Annual Temp
46.4°F
Annual Precip
45.2"
Annual Snowfall
—
Extreme Heat Days
4.766666666666667
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Berkshire County Weather
Mountain Air and Cooler Averages
Berkshire County’s 46.4°F average temperature sits well below the national median and reflects its high-elevation terrain. This region represents the cooler end of the humid continental climate spectrum.
Massachusetts' Cold Western Corner
With an average temperature 3.1 degrees below the state average, Berkshire is one of the coldest counties in the Commonwealth. Its January average of 22.5°F highlights a much harsher winter environment than the coast.
The High Elevation Gap
Berkshire is significantly cooler than its neighbor Franklin County, which averages 48.1°F. While Franklin sees 10 days of extreme heat, Berkshire only hits 90°F about 5 times per year.
True New England Winters
The county faces a cold winter average of 25.2°F, though specific annual snowfall totals are currently unavailable for this jurisdiction. Summers remain pleasant, with July temperatures averaging just 69.1°F.
Gear Up for the Cold
Residents should prioritize heavy-duty heating systems and cold-weather gear to manage the sub-freezing January lows. While summers are mild, preparing for 45.2 inches of annual precipitation is necessary year-round.
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.