Cass County Climate
Cass County, Indiana
Avg Annual Temp
50.5°F
Annual Precip
41.2"
Annual Snowfall
22.0"
Extreme Heat Days
13.95
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Cass County Weather
A Cooler Midwestern Profile
Cass County’s annual average temperature of 50.5°F sits roughly four degrees below the national median. This puts the area in a humid continental climate zone defined by cold winters and warm summers.
Below the Indiana Average
The county is cooler than the Indiana state average of 52.2°F. It ranks as one of the chillier northern counties, receiving 41.2 inches of annual precipitation.
Drier than the State Average
Cass receives about 2.7 inches less precipitation annually than the Indiana average of 43.9 inches. It maintains a colder winter profile than central neighbors like Clinton County.
Cold Winters and Brief Heat
Winter brings 22 inches of snow and a chilly 27.8°F seasonal average. Summers are moderate, though residents still face 14 extreme heat days above 90°F each year.
Prepare for the Freeze
Homeowners should prioritize high-efficiency heating to manage the 24.8°F January average. Snow removal equipment is a necessity for the 22 inches of typical annual accumulation.
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.