Kosciusko County Climate
Kosciusko County, Indiana
Avg Annual Temp
50.0°F
Annual Precip
39.9"
Annual Snowfall
39.6"
Extreme Heat Days
10.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Kosciusko County Weather
Cool Northern Latitude Climate
Kosciusko County averages 50.0°F annually, making it significantly cooler than the national median. Its humid continental climate is heavily influenced by its northern latitude.
Among Indiana's Coldest Counties
The county is over two degrees cooler than the Indiana state average of 52.2°F. It ranks as one of the colder jurisdictions in the state's northern tier.
A Regional Heavyweight for Snowfall
While it shares a border with Elkhart, Kosciusko is known for its high snowfall, averaging nearly 40 inches. Its 39.9 inches of rain is lower than the state average.
Harsh Winters and Mild Summers
Summers stay mild with only 10 days of extreme heat and a 71.0°F average. However, winters are harsh, featuring 39.6 inches of snow and a 27.5°F average temperature.
Invest in Heavy-Duty Snow Gear
Residents must own reliable snow blowers and winterize their homes thoroughly against the 40-inch annual snowfalls. Air conditioning is less of a priority with only 10 extreme heat days per year.
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.