Marquette County Climate
Marquette County, Wisconsin
Avg Annual Temp
45.6°F
Annual Precip
36.3"
Annual Snowfall
42.0"
Extreme Heat Days
7.9
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Marquette County Weather
A Typical Upper Midwest Profile
Marquette County’s 45.6°F annual average is typical for the Upper Midwest but cooler than the national median. Its climate is defined by distinct seasonal shifts and moderate moisture.
Warmer and Wetter than Average
The county is warmer than the state average of 44.4°F and notably wetter than many peers. It averages 36.3 inches of precipitation, nearly two inches above the Wisconsin average.
A Warmer Tier than the Northwoods
Marquette is significantly warmer and wetter than northern Marathon County. It also experiences more heat, with 8 days over 90°F compared to Marathon's 5.
Robust Summers and Cold Winters
Summer is robust with a 70.8°F July average and 8 extreme heat days. Winters are cold but see less snow than the north, averaging 42.0 inches annually.
Managing Humidity and Summer Spikes
Residents should prepare for significant summer humidity and heat given the 68.8°F summer average. Proper attic insulation is key to managing the 20.5°F winter average.
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.