Berkshire County Climate
Berkshire County, Massachusetts
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
46.4°F
Annual Precip
45.2"
Annual Snowfall
—
Extreme Heat Days
5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5b
Minimum winter temperature range for plant survival
2,237
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Berkshire County
Climate Verdict
Berkshire County has a cool, averaging 46.4°F annually, moderately wet with 45.2 inches of annual precipitation, rare extreme heat with only 4.766666666666667 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 22.5°F. summers are pleasantly cool with July averaging 69.1°F. The 47°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Berkshire County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Berkshire County is 3.2°F cooler than the Massachusetts statewide average of 49.5°F, it is somewhat drier than average for Massachusetts.
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 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.