Manitowoc County Climate
Manitowoc County, Wisconsin
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
44.7°F
Annual Precip
31.7"
Annual Snowfall
40.4"
Extreme Heat Days
2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5b
Minimum winter temperature range for plant survival
2,023
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Manitowoc County
Climate Verdict
Manitowoc County has a cool, averaging 44.7°F annually, moderate rainfall of 31.7 inches per year, rare extreme heat with only 1.95 days above 90°F annually, moderate snowfall of 40.4 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 19.8°F. summers are pleasantly cool with July averaging 68.0°F. The 48°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Manitowoc County closely matches the Wisconsin statewide average temperature of 44.4°F, it is somewhat drier than average for Wisconsin.
Climate Profile
About Manitowoc County Weather
Lake-Moderated Coastal Conditions
Manitowoc County’s 44.7°F annual average is tempered by Lake Michigan, putting it about 10 degrees below the national median. This maritime-influenced climate provides more moderate extremes than inland Wisconsin.
Following the Wisconsin State Average
The county sits right at the Wisconsin average of 44.4°F for annual temperature. Its 31.7 inches of annual precipitation is slightly drier than the 34.5-inch state standard.
Warmer Winters Than Inland Peers
While sharing a latitude with Marathon County, Manitowoc's 19.8°F January is much milder than Marathon's 14.8°F. The lake effect keeps the county cooler in summer but warmer in winter.
Steady Snowfall and Rare Heat
Winter brings 40.4 inches of snow, while July averages a pleasant 68.0°F. The lake air keeps summer heat in check, resulting in only 2 days per year reaching 90°F.
Mild Summers Mean Cooling Savings
Residents benefit from the lake’s cooling effect, rarely needing heavy air conditioning during the mild 66.0°F summers. Winter prep should focus on moisture control to manage the damp, 22.6°F winter air.
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.