Cass County Climate

Cass County, Missouri

JanFebMarAprMayJunJulAugSepOctNovDec55.2°AVG °F

Avg Annual Temp

55.2°F

Annual Precip

42.7"

Annual Snowfall

16.8"

Extreme Heat Days

37.3

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.4"
1.8"
3.0"
4.2"
5.8"
5.3"
4.7"
4.4"
4.4"
3.4"
2.4"
1.9"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring45°65°12.9"Summer74°78°14.4"Fall44°69°10.3"Winter30°34°5.1"20°40°60°80°100°

National Comparison

Warmer than 52% of US counties
Wetter than 51% of US counties
More seasonal variation than 71% of US counties

Climate Profile

About Cass County Weather

Balanced Midwest Temperature Profile

Cass County's 55.2°F average temperature is just above the national median. It sits in a transition zone that sees both sharp cold fronts and warm southern breezes.

Matches Missouri’s State Averages

The county matches the Missouri state average temperature of 54.9°F almost perfectly. Its 42.7 inches of rain also falls right in line with the state norm of 43.8 inches.

Warmer Than Northern Neighbors

Cass is warmer and wetter than Caldwell County to the north. Its climate profile is very similar to Boone County in the central part of the state.

Chilly Winters and Hot Summers

Winters bring a 32.7°F average and 16.8 inches of snow. Summers feature 37 days of extreme heat with a July average of 78.4°F.

Prepare for Steady Snowfall

Residents should maintain reliable snow removal equipment for the 16.8 inches of annual snow. High-performance HVAC is needed to handle 37 days of 90-degree heat.

Frequently Asked Questions

What is the average temperature in Cass County?
The average annual temperature in Cass County, MO is 55.2°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Cass County get?
Cass County receives an average of 42.7 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 16.8 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 76.5°F. The county experiences an average of 37.3 days per year above 90°F.
How cold are winters in Cass County?
The average winter temperature (December-February) in Cass County is 32.7°F. January, typically the coldest month, averages 29.9°F.

Track your own weather in Cass County

Ambient Weather personal weather stations give you hyperlocal climate data.

Shop Weather Stations →

Sponsored

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.

Explore more data for Cass County

TaxCost of LivingComing SoonCrime RateIncomeComing SoonHealthSchoolsRiskWaterCounty Score