Bayfield County Climate
Bayfield County, Wisconsin
Avg Annual Temp
41.1°F
Annual Precip
33.7"
Annual Snowfall
90.3"
Extreme Heat Days
2.733333333333333
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Bayfield County Weather
Defined by Severe Northern Winters
Bayfield County averages 41.1°F annually, which is nearly 13 degrees cooler than the national median. This northern territory is known for its intense winter patterns and lake-moderated summers.
A Cold Spot in the State
The county's average temperature of 41.1°F sits more than 3 degrees below the Wisconsin state average. It is consistently one of the coldest counties in the entire state of Wisconsin.
Leading the Region in Snowfall
Bayfield receives over 90 inches of snow annually, outpacing neighboring Ashland County’s 88 inches. It is also wetter than Burnett County, receiving nearly 2 inches more precipitation per year.
Wisconsin's Epic Snow Destination
Winter is the dominant season, bringing over 90 inches of snow and a 13.0°F January average. Summer offers a brief reprieve with only 3 days per year exceeding 90°F.
Mastering the Art of Snow
Living here requires serious snow removal equipment and four-wheel-drive vehicles. Residents should plan for long winters where the average temperature remains just 16.4°F from December through February.
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.