Bureau County Climate
Bureau County, Illinois
Avg Annual Temp
49.5°F
Annual Precip
38.3"
Annual Snowfall
32.2"
Extreme Heat Days
16.45
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Bureau County Weather
A Cooler Northern Continental Profile
Bureau County's annual average temperature of 49.5°F is cooler than the national median. It experiences a classic continental climate with 38.3 inches of annual precipitation.
Colder than the Illinois Average
Bureau is 3.3 degrees cooler than the state average of 52.8°F. It also receives 38.3 inches of precipitation, trailing the state average of 41.7 inches by over 3 inches.
Double the Snow of Adams
Bureau County receives 32.2 inches of snow annually, nearly twice as much as the 17.0 inches recorded in Adams County. This reflects its more northern and winter-prone position in the state.
Brisk Winters and Mild Summers
January is cold with an average temperature of 21.6°F and heavy snow totaling 32.2 inches. Summers are relatively comfortable, averaging 73.7°F with only 16 days reaching 90°F.
Heavy Snow Preparation Required
Homeowners should invest in robust heating and snow-clearing equipment to manage the 32.2 inches of snowfall. The mild summers mean less strain on air conditioning than in southern Illinois counties.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.