Lafayette County Climate
Lafayette County, Mississippi
Avg Annual Temp
61.9°F
Annual Precip
60.0"
Annual Snowfall
1.1"
Extreme Heat Days
74.2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.