Cass County Climate
Cass County, Indiana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
50.5°F
Annual Precip
41.2"
Annual Snowfall
22.0"
Extreme Heat Days
14
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
3,147
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Cass County
Climate Verdict
Cass County has a mild, with an average annual temperature of 50.5°F, moderately wet with 41.2 inches of annual precipitation, rare extreme heat with only 13.95 days above 90°F annually, moderate snowfall of 22.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 24.8°F. summers are warm — July averages 73.1°F. The 48°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Cass County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Cass County closely matches the Indiana statewide average temperature of 52.4°F, it is somewhat drier than average for Indiana.
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 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.