Oconto County Climate
Oconto County, Wisconsin
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
42.9°F
Annual Precip
32.4"
Annual Snowfall
54.9"
Extreme Heat Days
4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
2,033
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Oconto County
Climate Verdict
Oconto County has a cool, averaging 42.9°F annually, moderate rainfall of 32.4 inches per year, rare extreme heat with only 4.333333333333333 days above 90°F annually, moderate snowfall of 54.9 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 15.1°F. summers are pleasantly cool with July averaging 68.0°F. Residents experience a substantial 53°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Oconto County closely matches the Wisconsin statewide average temperature of 44.4°F, it is somewhat drier than average for Wisconsin.
Climate Profile
About Oconto County Weather
Deeply Cool Northern Weather
Oconto County's annual average of 42.9°F sits well below the national median of roughly 54°F. This location defines the crisp, cool nature of the upper Great Lakes region.
Cooler Than the State Average
The county is colder than the Wisconsin average of 44.4°F by about 1.5 degrees. It ranks among the chillier northern counties where winter lasts longer than in the southern parts of the state.
Chillier Than Coastal Neighbors
With an average temp of 42.9°F, Oconto is significantly cooler than lakeside Ozaukee at 46.7°F. It also receives less precipitation than the state average, recording 32.4 inches annually.
Consistent Cold and Moderate Snow
Winters feature a freezing December-February average of 18.2°F and 54.9 inches of snow. Summers are pleasant and mild, averaging 66.1°F with only 4 days reaching 90°F.
Gear Up for Long Winters
The mild summers mean less air conditioning is required, but robust home insulation is essential for the 15.1°F January lows. Residents should plan for steady snow management from late autumn through spring.
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.