Kenosha County Climate
Kenosha County, Wisconsin
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
48.3°F
Annual Precip
35.7"
Annual Snowfall
36.2"
Extreme Heat Days
10
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5b
Minimum winter temperature range for plant survival
2,710
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Kenosha County
Climate Verdict
Kenosha County has a cool, averaging 48.3°F annually, moderate rainfall of 35.7 inches per year, rare extreme heat with only 9.666666666666666 days above 90°F annually, moderate snowfall of 36.2 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 22.9°F. summers are warm — July averages 72.1°F. The 49°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Kenosha County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Kenosha County is 4.0°F warmer than the Wisconsin statewide average of 44.4°F.
Climate Profile
About Kenosha County Weather
Wisconsin’s Warmest National Profile
Kenosha County reaches an annual average of 48.3°F, the closest in this group to the national median of 53.8°F. It represents the southern extreme of the state's climate profile.
The State’s Southern Warm Spot
Averaging 48.3°F, Kenosha is nearly 4 degrees warmer than the Wisconsin average of 44.4°F. It experiences some of the mildest winters in the entire state.
Warmer and Drier than Inland
Kenosha is significantly warmer than Kewaunee County's 44.3°F average. It also sees less snowfall, with 36.2 inches compared to the 40+ inches seen in Jefferson and Iowa counties.
Hot Summers and Tame Winters
July averages a state-high 72.1°F with 10 days of extreme heat. January is relatively mild for Wisconsin at 22.9°F, leading to the lowest snowfall in this group at 36.2 inches.
Invest in Cooling Efficiency
High-efficiency air conditioning is a smart investment for the 10 days of 90°F heat. While snow is lighter here, residents still need to prepare for the 25.9°F winter average.
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.