Marquette County Climate
Marquette County, Michigan
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
40.3°F
Annual Precip
32.4"
Annual Snowfall
137.2"
Extreme Heat Days
4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
1,617
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 40.3°F annually, moderate rainfall of 32.4 inches per year, rare extreme heat with only 3.6333333333333333 days above 90°F annually, heavy winter snowfall averaging 137.2 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 14.7°F. summers are pleasantly cool with July averaging 65.0°F. Residents experience a substantial 50°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 is 5.4°F cooler than the Michigan statewide average of 45.7°F, it is somewhat drier than average for Michigan.
Climate Profile
About Marquette County Weather
Marquette Is Significantly Cooler Than the National Average
Marquette's annual average temperature of 40.3°F sits far below the national median of approximately 53°F. This reflects a cold, humid continental climate typical of the northern Great Lakes region.
A Cold Leader in the Great Lakes State
The county is over 5 degrees colder than the Michigan state average of 45.7°F. Its location in the Upper Peninsula makes it one of the most consistently cold regions in the state.
Colder and Snowier Than Its Southern Neighbors
Marquette is significantly cooler than Menominee County, which averages 42.9°F. While neighboring areas are cold, Marquette's proximity to Lake Superior drives much higher snowfall totals.
Massive Snowfall and Mild Summers
Marquette averages a staggering 137.2 inches of snow annually, while summer highs remain modest. With only 4 days of extreme heat per year, the climate is dominated by its 17.0°F winter average.
Prepare for Serious Winter Management
Residents must invest in heavy-duty snow removal equipment to handle over 11 feet of seasonal snow. High-efficiency heating systems are essential to manage the deep winter freeze.
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.