Schuyler County Climate
Schuyler County, Illinois
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
51.7°F
Annual Precip
40.9"
Annual Snowfall
—
Extreme Heat Days
21
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
3,433
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Schuyler County
Climate Verdict
Schuyler County has a mild, with an average annual temperature of 51.7°F, moderately wet with 40.9 inches of annual precipitation, occasional hot days — 21.1 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 25.0°F. summers are warm — July averages 74.9°F. The 50°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Schuyler County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Schuyler County closely matches the Illinois statewide average temperature of 52.8°F.
Climate Profile
About Schuyler County Weather
Cooler Than the National Median
Schuyler County reports an annual average temperature of 51.7°F, falling about a degree below the national median. This reflects a slightly cooler temperate climate typical of the upper Midwest.
Below the State Temperature Average
The county sits below the Illinois average of 52.8°F with its 51.7°F annual mean. It ranks among the cooler counties in the western portion of the state.
Mildness Compared to Southern Neighbors
Schuyler is cooler than neighboring Scott County, which averages 52.9°F. Its 40.9 inches of annual precipitation is slightly lower than the state average of 41.7 inches.
A Shorter Heat Season
The area experiences 21 days of extreme heat annually, which is less than many central Illinois peers. While specific snowfall data is unavailable, winter temperatures average a cold 28.4°F.
Equip for Chillier Winters
Outdoor planning should account for the winter average of 28.4°F and potential frost. Reliable heating systems are a priority given the county's position below the state average temperature.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.