Hennepin County Climate
Hennepin County, Minnesota
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
46.2°F
Annual Precip
32.4"
Annual Snowfall
52.8"
Extreme Heat Days
13
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
2,833
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Hennepin County
Climate Verdict
Hennepin County has a cool, averaging 46.2°F annually, moderate rainfall of 32.4 inches per year, rare extreme heat with only 12.959999999999999 days above 90°F annually, moderate snowfall of 52.8 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 15.6°F. summers are warm — July averages 73.5°F. Residents experience a substantial 58°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Hennepin County is 3.4°F warmer than the Minnesota statewide average of 42.8°F, it is somewhat wetter than average for Minnesota.
Climate Profile
About Hennepin County Weather
Colder than the National Average
Hennepin's annual average temperature of 46.2°F sits well below the national median of 54°F. This humid continental climate experiences dramatic swings between seasons throughout the year.
A Warm Spot in Minnesota
With an average temperature nearly four degrees warmer than the state average of 42.8°F, Hennepin is one of Minnesota's warmest counties. It also receives 32.4 inches of precipitation, slightly exceeding the state average of 30.0 inches.
Warmer and Drier than Southern Neighbors
Hennepin stays warmer than neighboring Isanti to the north, which averages 44.1°F. However, it is drier than Houston County to the southeast, which receives nearly six more inches of rain annually.
Hot Summers and Snowy Winters
Summers are warm with 13 extreme heat days peaking in a 73.5°F July average. Winters contrast sharply with 52.8 inches of annual snowfall and a January average of 15.6°F.
Prepare for All Extremes
Residents need robust HVAC systems to handle both 90°F summer days and deep winter freezes. Heavy-duty snow removal equipment is essential for managing the four-plus feet of annual snow.
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.