Perry County Climate
Perry County, Mississippi
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
66.3°F
Annual Precip
63.9"
Annual Snowfall
0.5"
Extreme Heat Days
113
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8b
Minimum winter temperature range for plant survival
6,393
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Perry County
Climate Verdict
Perry County has a warm, averaging 66.3°F year-round, very wet conditions receiving 63.9 inches of precipitation annually, significant summer heat with 112.6 days annually above 90°F, light snow averaging 0.5 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 48.6°F. summers are hot, with July averaging 82.1°F. The 33°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
Perry County closely matches the Mississippi statewide average temperature of 63.9°F, it is somewhat wetter than average for Mississippi, the county experiences 39.467694063926956 more extreme heat days than the state average.
Climate Profile
About Perry County Weather
Hotter Than Most of the Nation
Perry County averages 66.3°F annually, which is over 12 degrees warmer than the national median temperature. The climate is characterized by intense solar exposure and high moisture levels.
One of Mississippi's Warmest Counties
At 66.3°F, Perry County is notably warmer than the Mississippi state average of 63.9°F. It ranks as one of the state's hotter regions, particularly during the peak of summer.
More Extreme Heat Than Local Neighbors
Perry County endures 113 extreme heat days annually, far surpassing the 78 days seen in neighboring Pearl River County. Despite the heat, it receives 63.9 inches of rain, keeping the landscape lush and humid.
Over 100 Days of Triple-Digit Heat
Summer dominates the calendar with 113 days reaching at least 90°F and a July average of 82.1°F. Winters are brief and mild, averaging 50.6°F with only 0.5 inches of snow.
Hydration and High Cooling Demands
The extreme count of 113 heat days requires residents to prioritize hydration and limit outdoor activity in the afternoons. High-performance insulation helps mitigate the energy costs associated with the long, hot summers.
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.