Cass County Climate
Cass County, Missouri
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
Precipitation Calendar
Seasonal Overview
National Comparison
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
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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.