Sunflower County Climate
Sunflower County, Mississippi
Avg Annual Temp
64.2°F
Annual Precip
55.8"
Annual Snowfall
0.5"
Extreme Heat Days
73
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Sunflower County Weather
Typical Deep South climate profile
Sunflower County's average annual temperature of 64.2°F is nearly 10 degrees warmer than the national median. This region experiences the heavy air and consistent warmth typical of the lower Mississippi Valley.
Aligning with state averages
Sunflower County's average temperature of 64.2°F sits very close to the Mississippi state average of 63.9°F. It serves as a representative baseline for the state's overall climate.
Cooler than its southern neighbors
At 64.2°F, Sunflower is slightly cooler than Sharkey County to the south, which averages 65.8°F. However, both counties share the flat, fertile landscape of the Delta and its associated humidity.
Delta heat and brief winters
The county experiences 73 days of extreme heat annually, with July temperatures averaging 82.0°F. Winter brings a cool-down to 46.0°F, though snow is rare, averaging only 0.5 inches.
Sun protection for the Delta
The 73 days of extreme heat require residents to have reliable air conditioning and sun protection. Annual precipitation of 55.8 inches means seasonal storms are a regular consideration for farmers and residents.
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.