Smith County Climate
Smith County, Mississippi
Avg Annual Temp
62.4°F
Annual Precip
58.3"
Annual Snowfall
0.8"
Extreme Heat Days
64.8
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Smith County Weather
Moderate climate in the pine belt
Smith County's average annual temperature of 62.4°F remains higher than the national median but is mild for the region. It features the standard humid subtropical profile with ample rainfall and limited winter ice.
Slightly cooler than the state average
The county's 62.4°F average is actually lower than the Mississippi state average of 63.9°F. This makes Smith County a slightly cooler alternative to its neighbors in the southern half of the state.
A cooler pocket near Simpson County
Compared to Simpson County's 67.5°F, Smith County is notably cooler at 62.4°F. This difference of five degrees is significant for a neighboring county and affects local biodiversity.
Balanced seasons and summer rain
The county sees 65 extreme heat days per year, which is lower than many of its southern neighbors. Winter temperatures average 46.3°F, and the area typically sees less than an inch of snow annually.
Prepare for heavy precipitation
With 58.3 inches of annual rainfall, reliable rain gear is more important than winter coats. The 65 days of extreme heat still require robust cooling systems during the peak of summer.
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.