Climate change in Fond du Lac County, Wisconsin
Since 1979, Fond du Lac County, Wisconsin has warmed 2.7°F, with about the same number of days above 90°F, 1 more nights above 70°F and 11% more precipitation a year. Its climate in 1996–2025 is most like Racine County, WI's was in 1951–1980.
- Average temperature: +2.7°F
- Summer highs (Jun–Aug): +1.1°F
- Winter lows (Dec–Feb): +5.2°F
- Precipitation: +11%
- Wettest day of the year: +15%
- Longest dry spell: +1 days
- Days above 90°F: +0 days
- Nights above 70°F: +1 days
- Freezing nights: −15 days
- Frost-free season: +15 days
- Muggy days: +5 days
- Summer heat index (Jun–Aug): +1.3°F
- Extreme fire-weather days: +11 days
- Snowfall: −10%
- Snowy days (1 inch or more): +0 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.