Sheboygan County Climate
Sheboygan County, Wisconsin
Avg Annual Temp
45.9°F
Annual Precip
33.4"
Annual Snowfall
46.7"
Extreme Heat Days
5.9399999999999995
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Sheboygan County Weather
Lakeside Climate Dynamics
Sheboygan County averages 45.9°F annually, which is notably cooler than the national median. The proximity to Lake Michigan creates a unique microclimate that moderates extreme temperatures throughout the year.
Warmer Than the Wisconsin Norm
At 45.9°F, the county is warmer than the Wisconsin state average of 44.4°F. This warmth is largely due to the lake's thermal mass, which keeps coastal areas slightly warmer in the winter.
Milder Than Interior Neighbors
The county is significantly warmer than Shawano (43.1°F) and Vilas (39.8°F) to the north. Its 33.4 inches of annual precipitation is slightly lower than the state average of 34.5 inches.
Temperate Summers and Damp Winters
Winters feature a January average of 20.0°F and 46.7 inches of snow. July is pleasant at 70.3°F, though residents only face about 6 days of extreme heat above 90°F annually.
Managing the Lake Effect
Invest in moisture-resistant home materials to handle damp lakeside winters and humid summers. Standard heating and cooling systems work well here, as extreme temperature spikes are relatively rare.
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.