Dunklin County Climate
Dunklin County, Missouri
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
59.7°F
Annual Precip
51.2"
Annual Snowfall
3.5"
Extreme Heat Days
62
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
4,953
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Dunklin County
Climate Verdict
Dunklin County has a mild, with an average annual temperature of 59.7°F, moderately wet with 51.2 inches of annual precipitation, significant summer heat with 62.3 days annually above 90°F, light snow averaging 3.5 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 36.4°F. summers are hot, with July averaging 80.9°F. The 45°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
Dunklin County is 4.8°F warmer than the Missouri statewide average of 54.9°F, it is also noticeably wetter, receiving 7.5 inches more precipitation than the state average, the county experiences 25.582632398753887 more extreme heat days than the state average.
Climate Profile
About Dunklin County Weather
Significant warmth in the Bootheel
Dunklin County’s 59.7°F average temperature is much higher than the national median. This southern Missouri climate borders on subtropical with long, intense growing seasons.
One of Missouri’s warmest counties
The county is nearly 5 degrees warmer than the Missouri average of 54.9°F. It also receives 51.2 inches of rain, far exceeding the state norm of 43.8 inches.
The region’s leader in heat
Dunklin records a staggering 62 extreme heat days, far more than any other county in this group. It is also significantly wetter and warmer than its northern neighbors.
Intense heat and mild winters
July is very hot with an average of 80.9°F and 62 days above 90°F. Winters are mild with only 3.5 inches of snow and a January average well above freezing at 36.4°F.
Max out your cooling capacity
High-performance air conditioning is essential for the two months' worth of 90°F days. Winter needs are minimal, so focus your budget on humidity control and summer cooling.
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.