Climate change in Schuyler County, Illinois
Since 1979, Schuyler County, Illinois has warmed 1.8°F, with 5 fewer days above 90°F, 1 more nights above 70°F and 1% less precipitation a year. Its climate in 1996–2025 is most like Montgomery County, IL's was in 1951–1980.
- Average temperature: +1.8°F
- Summer highs (Jun–Aug): −1.1°F
- Winter lows (Dec–Feb): +3.6°F
- Precipitation: −1%
- Wettest day of the year: +3%
- Longest dry spell: −8 days
- Days above 90°F: −5 days
- Nights above 70°F: +1 days
- Freezing nights: −13 days
- Frost-free season: +2 days
- Muggy days: +0 days
- Summer heat index (Jun–Aug): −1.2°F
- Extreme fire-weather days: +9 days
- Snowfall: +32%
- 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.