Climate change in Cook County, Minnesota
Since 1979, Cook County, Minnesota has warmed 1.7°F, with 1 fewer days above 90°F, about the same number of nights above 70°F and 8% more precipitation a year. Its climate in 1996–2025 is most like Baraga County, MI's was in 1951–1980.
- Average temperature: +1.7°F
- Summer highs (Jun–Aug): +1.0°F
- Winter lows (Dec–Feb): +3.9°F
- Precipitation: +8%
- Wettest day of the year: +44%
- Longest dry spell: −6 days
- Days above 90°F: −1 days
- Nights above 70°F: +0 days
- Freezing nights: −12 days
- Frost-free season: +28 days
- Muggy days: +1 days
- Summer heat index (Jun–Aug): +1.4°F
- Extreme fire-weather days: +7 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.