Rankin County Climate
Rankin County, Mississippi
Avg Annual Temp
65.4°F
Annual Precip
57.4"
Annual Snowfall
1.0"
Extreme Heat Days
84.7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.