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Measurable snow is rare in Biloxi: the 1991–2020 normal is just 0.3 inch a year, and nights reach freezing on about 16 days a year. When snow or ice does arrive, it causes outsized trouble because roads are rarely treated — watch for Winter Weather Advisories and Freeze Warnings.
| Month | Snowfall | Days 1″+ | Days with snow cover | Freezing nights | Avg. low |
|---|---|---|---|---|---|
| November | 0″ | 0 | 0 | 1 | 49°F |
| December | 0″ | 0 | 0 | 4 | 45°F |
| January | 0″ | 0 | 0 | 7 | 42°F |
| February | 0.3″ | <1 | 0 | 3 | 46°F |
| March | 0″ | 0 | 0 | 1 | 52°F |
| Year | 0.3″ | <1 | 0 | 16 |
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Ocean Springs (6 mi from the city center, -13 ft elevation difference); temperatures at Gulfport - Biloxi Airport. Averages smooth out big years: single winters can bring half or double the normal.
All Mississippi winter alerts and cities → · National winter storm map → · Frost dates by ZIP code →
0.3 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Ocean Springs station, 6 miles away).
This page checks the National Weather Service for active alerts at Biloxi's location every time you open it; the box at the top lists any winter storm, winter weather, cold or freeze alert in effect right now.
About 16 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 42 °F.