Shelby County Climate
Shelby County, Indiana
Avg Annual Temp
53.5°F
Annual Precip
44.0"
Annual Snowfall
17.3"
Extreme Heat Days
19.55
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Shelby County Weather
Classic Mid-American Weather Patterns
Shelby County averages 53.5°F annually, sitting right in line with the national median for temperate climates. The region experiences distinct seasonal transitions throughout the year.
Slightly Above the Indiana Average
At 53.5°F, Shelby County is warmer than the state average of 52.2°F. It serves as a middle-ground climate between the colder north and the hot southern counties.
Cooler Than the Far South
Shelby County remains cooler than southern neighbors like Switzerland County, which reaches 56.6°F. It is nearly four degrees warmer on average than the snowy northern counties like Starke.
Steady Snowfall and Summer Heat
Residents see an average of 17.3 inches of snow annually, mostly falling during the 31.7°F winters. Summer brings 20 extreme heat days where temperatures top 90°F.
Prepare for Moderate Winter Maintenance
Keep a reliable snow shovel and salt on hand for the 17-inch annual snowfall. Budget for air conditioning during the 20 days of extreme summer heat.
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.