Copiah County Climate
Copiah County, Mississippi
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
65.6°F
Annual Precip
62.1"
Annual Snowfall
0.4"
Extreme Heat Days
81
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8b
Minimum winter temperature range for plant survival
6,177
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Copiah County
Climate Verdict
Copiah County has a warm, averaging 65.6°F year-round, very wet conditions receiving 62.1 inches of precipitation annually, significant summer heat with 80.9 days annually above 90°F, light snow averaging 0.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 48.0°F. summers are hot, with July averaging 81.3°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
Copiah County closely matches the Mississippi statewide average temperature of 63.9°F, it is somewhat wetter than average for Mississippi.
Climate Profile
About Copiah County Weather
Significant heat and extreme rainfall
Copiah County is much warmer than the national median, with an average of 65.6°F. It is also exceptionally wet, receiving 62.1 inches of rain annually compared to much lower national norms.
One of Mississippi's wettest counties
Copiah is warmer than the state average of 63.9°F and significantly wetter than the 59.6-inch state average. It ranks among the rainiest counties in the state.
High heat compared to nearby Clarke
With 81 days of extreme heat, Copiah is hotter than neighboring Clarke’s 73 days. It also receives nearly six more inches of rain annually than Claiborne County.
Over eighty days of extreme heat
The county endures 81 days of temperatures over 90°F and a mild winter average of 50.1°F. Snow is almost non-existent here, with an average of just 0.4 inches per year.
Moisture control is a top priority
Maintain high-efficiency cooling for over 80 days of heat and ensure home drainage can handle 62.1 inches of rain. Dehumidifiers are often necessary to combat the intense local humidity.
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.