Marquette County Climate
Marquette County, Wisconsin
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
45.6°F
Annual Precip
36.3"
Annual Snowfall
42.0"
Extreme Heat Days
8
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
2,497
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Marquette County
Climate Verdict
Marquette County has a cool, averaging 45.6°F annually, moderate rainfall of 36.3 inches per year, rare extreme heat with only 7.9 days above 90°F annually, moderate snowfall of 42.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 17.1°F. summers are warm — July averages 70.8°F. Residents experience a substantial 54°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Marquette County closely matches the Wisconsin statewide average temperature of 44.4°F.
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 sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.