Tishomingo County Climate
Tishomingo County, Mississippi
Avg Annual Temp
59.0°F
Annual Precip
62.3"
Annual Snowfall
—
Extreme Heat Days
41.2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Tishomingo County Weather
Tishomingo's Mild Appalachian Foothill Climate
Tishomingo County maintains an annual average temperature of 59.0°F, which sits roughly five degrees above the national median. This humid subtropical climate receives significantly more moisture than many U.S. regions, totaling 62.3 inches of rain annually.
Mississippi’s Coolest Northeast Corner
The county is one of the coolest in Mississippi, with its 59.0°F average falling well below the state mean of 63.9°F. Its northern elevation provides a relative break from the intense heat found in the southern coastal counties.
A Wetter Alternative to the Delta
Tishomingo receives 62.3 inches of annual precipitation, making it notably wetter than western neighbors like Tunica. Its 59.0°F average temperature makes it roughly three degrees cooler than Webster County to the south.
Manageable Heat and Crisp Winters
Summer temperatures average 76.5°F, with the county recording 41 extreme heat days above 90°F each year. Winters are the state’s coldest, featuring a December-February average of 40.9°F and a January low of 38.6°F.
Prepare for Rain and Humidity
Residents should invest in high-capacity drainage systems to manage the heavy 62.3 inches of annual rainfall. While extreme heat days are fewer than the state average, HVAC systems must still work hard through 41 days of 90-degree weather.
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.