Hampshire County Climate
Hampshire County, Massachusetts
Avg Annual Temp
47.1°F
Annual Precip
50.0"
Annual Snowfall
51.0"
Extreme Heat Days
7.666666666666667
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Hampshire County Weather
Central Massachusetts Climate Profile
Hampshire County’s 47.1°F average temperature is well below both the national median and the 49.5°F state average. It features a rugged continental climate with substantial precipitation.
Among the State’s Coldest
Ranking below the state average, Hampshire is 2.4 degrees cooler than the typical Massachusetts county. Its January average of 23.3°F is nearly 9 degrees colder than coastal Dukes County.
Comparing Central Counties
Hampshire is cooler than its southern neighbor Hampden and its northern neighbor Franklin. However, it sees 51.0 inches of snow, which is less than Franklin’s 65.5 inches.
Snowy Winters and Mild Summers
The county receives 51.0 inches of snow and hits 90°F on 8 days each year. A January average of 23.3°F ensures that winter remains a dominant season for all residents.
Precipitation and Winter Prep
With 50.0 inches of annual precipitation, Hampshire is the wettest county in this group. Residents should focus on basement waterproofing and high-performance winter insulation for the home.
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.