Blue Earth County Climate
Blue Earth County, Minnesota
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
46.3°F
Annual Precip
33.3"
Annual Snowfall
42.5"
Extreme Heat Days
13
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
2,829
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Blue Earth County
Climate Verdict
Blue Earth County has a cool, averaging 46.3°F annually, moderate rainfall of 33.3 inches per year, rare extreme heat with only 13.399999999999999 days above 90°F annually, moderate snowfall of 42.5 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 15.8°F. summers are warm — July averages 72.6°F. Residents experience a substantial 57°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Blue Earth County is 3.5°F warmer than the Minnesota statewide average of 42.8°F, it is somewhat wetter than average for Minnesota.
Climate Profile
About Blue Earth County Weather
Southern Minnesota's Warmer Profile
Blue Earth County’s 46.3°F average is closer to the national median than most of the state, though still roughly 7 degrees cooler. It features a productive climate with higher precipitation than northern peers.
Among the State's Warmest Counties
At 46.3°F, Blue Earth sits 3.5 degrees above the Minnesota state average of 42.8°F. It represents the warmer, agricultural heartland of southern Minnesota.
Warmer and Rainier Than Neighbors
Blue Earth is warmer than Brown County (45.1°F) and experiences more precipitation at 33.3 inches. It also sees more extreme heat, with 13 days over 90°F annually.
Hot Summers and Bracing Winters
The county averages 13 extreme heat days, with July reaching 72.6°F. Winters are relatively mild for Minnesota at 19.1°F, though the area still receives 42.5 inches of snow.
Managing Heat and High Moisture
Residents need robust air conditioning to handle the frequent 90°F+ days. The 33.3 inches of precipitation requires effective property drainage and gutter maintenance.
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.