Marinette County Climate
Marinette County, Wisconsin
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
42.8°F
Annual Precip
32.9"
Annual Snowfall
50.3"
Extreme Heat Days
4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4b
Minimum winter temperature range for plant survival
1,968
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Marinette County
Climate Verdict
Marinette County has a cool, averaging 42.8°F annually, moderate rainfall of 32.9 inches per year, rare extreme heat with only 3.95 days above 90°F annually, moderate snowfall of 50.3 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 15.7°F. summers are pleasantly cool with July averaging 67.6°F. Residents experience a substantial 52°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Marinette County closely matches the Wisconsin statewide average temperature of 44.4°F.
Climate Profile
About Marinette County Weather
Northern Latitude with Bay Influence
Marinette County maintains an annual average of 42.8°F, placing it well into the cooler tier of U.S. counties. The climate is influenced by its northeastern position and proximity to Green Bay.
Cooler than the Southern Counties
At 42.8°F, the county is nearly two degrees cooler than the Wisconsin average of 44.4°F. Precipitation levels are steady at 32.9 inches, slightly below the 34.5-inch state mark.
The Middle Ground of the Northeast
Marinette is warmer than inland Langlade County but cooler than lakeside Manitowoc County. It serves as a middle ground for temperature and snowfall in the northeast region.
Snowy Winters and Moderate Heat
The county receives 50.3 inches of snow annually and sees January temperatures average 15.7°F. Summers are mild with a 65.6°F average and only 4 days reaching the 90°F mark.
Prioritizing Winter Ready Homes
Winter readiness is a priority with a 18.6°F winter average and over 50 inches of snow. High-efficiency heating is more important than cooling, as summer temperatures remain moderate.
Frequently Asked Questions
What is the average temperature in Marinette County?
How much rain does Marinette County get?
Does it snow in Marinette County?
How hot does Marinette County get in summer?
How cold are winters in Marinette County?
Track your own weather in Marinette County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.