Wayne County Climate
Wayne County, Missouri
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.5°F
Annual Precip
50.7"
Annual Snowfall
8.9"
Extreme Heat Days
50
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
4,179
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Wayne County
Climate Verdict
Wayne County has a mild, with an average annual temperature of 56.5°F, moderately wet with 50.7 inches of annual precipitation, occasional hot days — 49.8 per year above 90°F, light snow averaging 8.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 33.2°F. summers are warm — July averages 78.6°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
Wayne County closely matches the Missouri statewide average temperature of 54.9°F, it is also noticeably wetter, receiving 7.0 inches more precipitation than the state average.
Climate Profile
About Wayne County Weather
Wet and Warm Southern Missouri
Wayne County averages 56.5°F annually, which is warmer than the national median and the Missouri average. It also experiences significant annual precipitation.
One of Missouri's Wettest
The county's 50.7 inches of rain far exceeds the state average of 43.8 inches. It also maintains a higher average temperature than the state mean of 54.9°F.
Frequent Heat and Rain
Wayne records 50 extreme heat days, double the count of many northern counties. This combination of heat and 50.7 inches of rain creates a very humid environment.
Intense Summers and Mild Snow
July averages 78.6°F, and heat persists for over 50 days above 90°F. Winters are relatively mild with only 8.9 inches of snowfall.
Prioritize Humidity Control
High-capacity air conditioning and dehumidifiers are vital to manage the 50 days of extreme heat. Homeowners should also ensure sump pumps are ready for the 50.7 inches of annual rain.
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.