Marquette County Climate
Marquette County, Michigan
Avg Annual Temp
40.3°F
Annual Precip
32.4"
Annual Snowfall
137.2"
Extreme Heat Days
3.6333333333333337
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.