Winston County Climate
Winston County, Mississippi
Avg Annual Temp
63.5°F
Annual Precip
58.9"
Annual Snowfall
—
Extreme Heat Days
66
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Winston County Weather
Classic Southern Warmth in Winston County
Winston County maintains an annual average temperature of 63.5°F, well above the median for the United States. The region receives a robust 58.9 inches of precipitation throughout the year.
Consistent With Mississippi State Averages
The county’s 63.5°F average temperature is nearly identical to the Mississippi state average of 63.9°F. Its 58.9 inches of rainfall also closely mirrors the statewide norm of 59.6 inches.
A Middle-Ground Climate for the Region
Winston experiences 66 extreme heat days, which is fewer than the 90 days seen in Yazoo County. It is slightly cooler than southern neighbors like Wilkinson but warmer than the northern reaches of the state.
Stable Seasons and Reliable Summer Heat
July temperatures average 81.0°F, contributing to over two months of extreme heat annually. Winter temperatures average 46.3°F, and while snowfall data is limited, the season remains generally mild compared to national standards.
Managing Seasonal Downpours and Heat
Residents should service HVAC units early to prepare for 66 days of 90-degree weather. Additionally, ensure home seals are tight to handle the 58.9 inches of rain that fall during the humid year.
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.