Cass County Climate

Cass County, Indiana

JanFebMarAprMayJunJulAugSepOctNovDec50.5°AVG °F

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

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.6"
2.1"
2.7"
3.7"
4.1"
5.0"
5.0"
4.2"
3.3"
3.0"
3.1"
2.4"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring38°61°10.5"Summer70°73°14.1"Fall41°65°9.5"Winter25°30°7.1"20°40°60°80°100°

National Comparison

Warmer than 33% of US counties
Wetter than 48% of US counties
More seasonal variation than 70% of US counties

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

What is the average temperature in Cass County?
The average annual temperature in Cass County, IN is 50.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Cass County get?
Cass County receives an average of 41.2 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 Cass County?
Yes, Cass County receives an average of 22.0 inches of snowfall per year according to NOAA climate normals.
How hot does Cass County get in summer?
The average summer temperature (June-August) in Cass County is 71.6°F. The county experiences an average of 13.95 days per year above 90°F.
How cold are winters in Cass County?
The average winter temperature (December-February) in Cass County is 27.8°F. January, typically the coldest month, averages 24.8°F.

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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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