Cape Girardeau County Climate
Cape Girardeau County, Missouri
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.9°F
Annual Precip
50.5"
Annual Snowfall
7.5"
Extreme Heat Days
57
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
4,418
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Cape Girardeau County
Climate Verdict
Cape Girardeau County has a mild, with an average annual temperature of 56.9°F, moderately wet with 50.5 inches of annual precipitation, occasional hot days — 56.6 per year above 90°F, light snow averaging 7.5 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 32.4°F. summers are warm — July averages 79.6°F. The 47°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
Cape Girardeau County closely matches the Missouri statewide average temperature of 54.9°F, it is also noticeably wetter, receiving 6.8 inches more precipitation than the state average, the county experiences 19.88263239875389 more extreme heat days than the state average.
Climate Profile
About Cape Girardeau County Weather
Warm and Wet River Climate
At 56.9°F, Cape Girardeau is warmer than the U.S. median. This southeastern county experiences a wetter and more humid climate than the national average.
A Missouri Precipitation Leader
The county surpasses the Missouri rainfall average by nearly 7 inches, totaling 50.5 inches annually. It is also 2 degrees warmer than the state average of 54.9°F.
Intense Regional Summer Heat
It shares a hot profile with Butler County but sees even more extreme heat with 57 days over 90°F. This makes it one of the warmest counties in the region.
Two Months of Extreme Heat
Summers are defined by 57 extreme heat days and a 79.6°F July average. Winters remain relatively mild with only 7.5 inches of annual snow.
Prepare for Humidity and Rain
Robust air conditioning is required to handle the nearly two months of 90-degree weather. Yard maintenance must account for the heavy 50.5-inch annual rainfall.
Frequently Asked Questions
What is the average temperature in Cape Girardeau County?
How much rain does Cape Girardeau County get?
Does it snow in Cape Girardeau County?
How hot does Cape Girardeau County get in summer?
How cold are winters in Cape Girardeau County?
Track your own weather in Cape Girardeau County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.