Essex County Climate
Essex County, Massachusetts
Avg Annual Temp
49.2°F
Annual Precip
47.5"
Annual Snowfall
54.2"
Extreme Heat Days
11.875
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Essex County Weather
North Shore Climate Profile
Essex County’s 49.2°F average annual temperature almost matches the state average but remains below the national median. Its position on the coast creates a mix of maritime and continental weather patterns.
Aligning with State Averages
Essex stays close to the Massachusetts norm of 49.5°F, trailing by only 0.3 degrees. However, its winter average of 29.3°F is significantly colder than the islands or the South Shore.
Comparing the Coastline
Essex (49.2°F) is cooler than Bristol County (50.8°F) and faces much harsher winter precipitation. While Bristol sees 35.9 inches of snow, Essex gets hit with a heavy 54.2 inches annually.
Heavy Snow and Summer Heat
July brings an average of 71.8°F and 12 days of extreme heat over 90°F. The winter months are defined by 54.2 inches of snowfall, making it one of the snowier coastal regions.
Plan for Heavy Snowfall
Residents must own reliable snow removal equipment to handle the 54-inch annual average. High-efficiency cooling is also recommended to navigate the 12 days of extreme summer heat.
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.