Climate change in Houghton County, Michigan
Since 1979, Houghton County, Michigan has warmed 2.7°F, with about the same number of days above 90°F, about the same number of nights above 70°F and 1% less precipitation a year. Its climate in 1996–2025 is most like Delta County, MI's was in 1951–1980.
- Average temperature: +2.7°F
- Summer highs (Jun–Aug): +1.4°F
- Winter lows (Dec–Feb): +5.4°F
- Precipitation: −1%
- Wettest day of the year: −3%
- Longest dry spell: −6 days
- Days above 90°F: −0 days
- Nights above 70°F: +0 days
- Freezing nights: −15 days
- Frost-free season: +10 days
- Muggy days: +0 days
- Summer heat index (Jun–Aug): +1.7°F
- Extreme fire-weather days: +13 days
- Snowfall: −11%
- 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.