Climate change in Blue Earth County, Minnesota
Since 1979, Blue Earth County, Minnesota has warmed 2.0°F, with 3 fewer days above 90°F, 1 more nights above 70°F and 10% more precipitation a year. Its climate in 1996–2025 is most like Grundy County, IA's was in 1951–1980.
- Average temperature: +2.0°F
- Summer highs (Jun–Aug): −0.1°F
- Winter lows (Dec–Feb): +3.9°F
- Precipitation: +10%
- Wettest day of the year: +37%
- Longest dry spell: +3 days
- Days above 90°F: −3 days
- Nights above 70°F: +1 days
- Freezing nights: −14 days
- Frost-free season: +16 days
- Muggy days: +5 days
- Summer heat index (Jun–Aug): −0.0°F
- Extreme fire-weather days: +14 days
- Snowfall: −20%
- Snowy days (1 inch or more): −4 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.