Lafayette County Climate
Lafayette County, Mississippi
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
61.9°F
Annual Precip
60.0"
Annual Snowfall
1.1"
Extreme Heat Days
74
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
5,324
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Lafayette County
Climate Verdict
Lafayette County has a warm, averaging 61.9°F year-round, very wet conditions receiving 60.0 inches of precipitation annually, significant summer heat with 74.2 days annually above 90°F, light snow averaging 1.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 41.4°F. summers are hot, with July averaging 80.7°F. The 39°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Lafayette County closely matches the Mississippi statewide average temperature of 63.9°F.
Climate Profile
About Lafayette County Weather
A More Temperate Southern Climate
Lafayette County averages 61.9°F, which is higher than the national median but cooler than most of Mississippi. This makes it a slightly more temperate part of the humid subtropical South.
Cooler Than the State Average
The county stays below the Mississippi average temperature of 63.9°F. It offers a milder climate compared to the sweltering temperatures found in the southern half of the state.
Average Rain with Notable Snowfall
With 60.0 inches of annual rain, Lafayette sits right at the state average of 59.6 inches. Its 1.1 inches of annual snow is significantly higher than most southern Mississippi counties.
Hot Summers and Crisp Winters
July averages 80.7°F with 74 days of extreme heat over 90°F. Winters are cooler than the state average at 43.7°F, occasionally bringing over an inch of snow.
Preparing for Heat and Occasional Ice
Residents should maintain HVAC systems for 74 days of extreme heat but also keep an ice scraper handy for winter. The 60 inches of rain requires consistent gutter maintenance to protect home foundations.
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.