Shelby County Climate

Shelby County, Indiana

JanFebMarAprMayJunJulAugSepOctNovDec53.5°AVG °F

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

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.2"
2.4"
3.4"
4.7"
4.8"
5.0"
4.1"
3.3"
3.2"
3.2"
3.5"
3.2"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring42°64°12.8"Summer72°75°12.5"Fall43°67°10.0"Winter29°34°8.8"20°40°60°80°100°

National Comparison

Warmer than 45% of US counties
Wetter than 54% of US counties
More seasonal variation than 60% of US counties

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

What is the average temperature in Shelby County?
The average annual temperature in Shelby County, IN is 53.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Shelby County get?
Shelby County receives an average of 44.0 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Shelby County?
Yes, Shelby County receives an average of 17.3 inches of snowfall per year according to NOAA climate normals.
How hot does Shelby County get in summer?
The average summer temperature (June-August) in Shelby County is 73.6°F. The county experiences an average of 19.55 days per year above 90°F.
How cold are winters in Shelby County?
The average winter temperature (December-February) in Shelby County is 31.7°F. January, typically the coldest month, averages 28.9°F.

Track your own weather in Shelby County

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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.

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