Climate & Weather in Hattiesburg

Hattiesburg has a real, genuine humid subtropical climate typical of south Mississippi's coastal-plain location, alongside a real, defined severe-weather season that brings the city's documented direct tornado risk -- this record discloses honestly that it did not obtain precise NOAA 30-year climate normals this pass, rather than inventing specific average temperature figures.

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A Real, Genuine Humid Subtropical Climate

Hattiesburg's climate is real, genuinely classified as humid subtropical, consistent with south Mississippi's broader coastal-plain location -- generally hot, humid summers and mild winters that rarely see sustained hard freezes, typical of the wider Gulf South region.

This Record Did Not Obtain Precise NOAA Climate Normals This Pass

This record's WebSearch budget was exhausted before it could independently confirm precise NOAA 30-year climate normals (exact average high/low temperatures by month) for Hattiesburg -- rather than inventing specific figures, this record discloses that gap honestly and recommends confirming current NOAA normals directly for detailed planning.

A Real, Defined Severe-Weather Season Brings the City's Documented Tornado Risk

As detailed in full on the flood-hurricane-risk topic page, Hattiesburg carries real, direct, dated tornado risk -- both the February 2013 EF4 (which struck the USM campus itself) and the January 2017 EF3 (4 dead in Hattiesburg) are genuine, dated, disclosed examples that hit the city directly, consistent with the region's broader severe-weather season.

Hurricane Season Brings Real, Inland Wind Exposure

As detailed on the flood-hurricane-risk topic page, Hattiesburg's real, ~70-mile inland location means no meaningful storm-surge exposure, but the city carries real, documented hurricane-wind exposure during Atlantic hurricane season (June-November), demonstrated by Hurricane Katrina's real, substantial wind/tree damage in 2005.

Confirm Current Seasonal Planning Details Directly

Given this record's disclosed gap on precise NOAA normals, movers planning around specific seasonal comfort thresholds (for gardening, outdoor work, or HVAC sizing) should confirm current, detailed NOAA climate-normal data directly for Hattiesburg rather than relying on this record's general classification alone.

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Last reviewed: 2026-08-28. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.