Rankin County Climate
Rankin County, Mississippi
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
65.4°F
Annual Precip
57.4"
Annual Snowfall
1.0"
Extreme Heat Days
85
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8b
Minimum winter temperature range for plant survival
6,162
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Rankin County
Climate Verdict
Rankin County has a warm, averaging 65.4°F year-round, very wet conditions receiving 57.4 inches of precipitation annually, significant summer heat with 84.7 days annually above 90°F, light snow averaging 1.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 47.0°F. summers are hot, with July averaging 82.1°F. The 35°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
Rankin County closely matches the Mississippi statewide average temperature of 63.9°F, it is somewhat drier than average for Mississippi.
Climate Profile
About Rankin County Weather
Warm Central Mississippi Climate Profile
Rankin County averages 65.4°F annually, which is about 11 degrees higher than the national median. This warm profile supports long summers and very mild transitions between seasons.
Slightly Warmer Than the State Median
At 65.4°F, Rankin County is about 1.5 degrees warmer than the Mississippi state average of 63.9°F. It represents the typical climate experience for the central part of the state.
High Heat with Moderate Rainfall
Rankin County experiences 85 days of extreme heat, nearly double the count of Prentiss County. Its annual rainfall of 57.4 inches is slightly lower than the state average of 59.6 inches.
Hot Summers and One Inch of Snow
Summer temperatures average 81.2°F, with July being particularly hot at 82.1°F. In contrast, winters are mild but can still produce 1.0 inch of snowfall on average.
Prepare for Long Cooling Seasons
Air conditioning is a necessity for the 85 days of extreme heat each year. Residents should also be prepared for rare winter events, as the county averages a full inch of snow.
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.