Wayne County Climate
Wayne County, Mississippi
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
65.2°F
Annual Precip
61.5"
Annual Snowfall
0.3"
Extreme Heat Days
87
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8b
Minimum winter temperature range for plant survival
6,033
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 warm, averaging 65.2°F year-round, very wet conditions receiving 61.5 inches of precipitation annually, significant summer heat with 86.5 days annually above 90°F, light snow averaging 0.3 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 47.7°F. summers are hot, with July averaging 81.3°F. The 34°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Wayne County closely matches the Mississippi statewide average temperature of 63.9°F.
Climate Profile
About Wayne County Weather
The Toasty Climate of Southeast Mississippi
Wayne County’s annual average temperature of 65.2°F is significantly higher than the national median. This humid subtropical region receives 61.5 inches of rain, contributing to a lush, forested environment.
Among the State’s Warmest Regions
Averaging 65.2°F, Wayne County is warmer than the Mississippi state average of 63.9°F. Its location in the southeast makes it a hotspot for both temperature and annual precipitation.
Hotter and Wetter than Central Counties
Wayne County is about three degrees warmer on average than Webster County to the north. It also receives 61.5 inches of rainfall, which is several inches more than the Delta counties receive.
The Peak of Mississippi Summer
The county endures a staggering 87 extreme heat days annually, the highest among its regional peers. Winters are exceptionally mild, with a 49.4°F average and a negligible 0.3 inches of snowfall.
Cooling is the Top Priority
With 87 days above 90°F, residents must have highly reliable HVAC systems and secondary cooling options. The 61.5 inches of rain also necessitates consistent maintenance of roof shingles and home siding.
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.