Cass County Climate
Cass County, Missouri
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
55.2°F
Annual Precip
42.7"
Annual Snowfall
16.8"
Extreme Heat Days
37
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
4,088
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Cass County
Climate Verdict
Cass County has a mild, with an average annual temperature of 55.2°F, moderately wet with 42.7 inches of annual precipitation, occasional hot days — 37.3 per year above 90°F, light snow averaging 16.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 29.9°F. summers are warm — July averages 78.4°F. The 49°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Cass County closely matches the Missouri statewide average temperature of 54.9°F.
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 sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.