Jefferson County Climate
Jefferson County, Mississippi
Climate data coming soon
Avg Annual Temp
—
Annual Precip
61.3"
Annual Snowfall
0.4"
Extreme Heat Days
—
Monthly Temperature
Temperature data coming soon
Precipitation Calendar
Seasonal Overview
Seasonal data coming soon
National Comparison
Data pending
Data pending
Climate Profile
About Jefferson County Weather
Lush Landscapes and Heavy Rain
Jefferson County receives 61.3 inches of annual rain, which is much higher than the national average for precipitation. This water-rich climate supports the dense forests and greenery of Southwest Mississippi.
Consistent Precipitation Across the State
The county's 61.3 inches of rainfall sits just above the Mississippi state average of 59.6 inches. While specific temperature rankings are limited, it follows the state's humid subtropical pattern.
Similar Rainfall to Regional Neighbors
With 61.3 inches of rain, Jefferson shares a similar moisture profile with its southern neighbor, Jefferson Davis County. Both counties experience a climate defined by heavy annual precipitation and very little snow.
Rare Snow and Damp Winters
The county records just 0.4 inches of snow annually, making winter accumulation a very rare event. While specific seasonal temperature data is limited, residents typically experience long, humid summers.
Focusing on Waterproofing and Drainage
With 61.3 inches of rain per year, maintaining proper home drainage is the most important climate consideration. Winter gear can remain minimal since the county averages less than half an inch of snow.
Frequently Asked Questions
How much rain does Jefferson County get?
Does it snow in Jefferson County?
Track your own weather in Jefferson County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.