Climate change in Lenawee County, Michigan
Since 1979, Lenawee County, Michigan has warmed 3.1°F, with 2 more days above 90°F, 2 more nights above 70°F and 1% less precipitation a year. Its climate in 1996–2025 is most like Seneca County, OH's was in 1951–1980.
- Average temperature: +3.1°F
- Summer highs (Jun–Aug): +2.0°F
- Winter lows (Dec–Feb): +4.5°F
- Precipitation: −1%
- Wettest day of the year: −13%
- Longest dry spell: −1 days
- Days above 90°F: +2 days
- Nights above 70°F: +2 days
- Freezing nights: −14 days
- Frost-free season: +12 days
- Muggy days: −0 days
- Summer heat index (Jun–Aug): +2.3°F
- Extreme fire-weather days: +19 days
- Snowfall: −15%
- Snowy days (1 inch or more): −2 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.