Sump Pump Test in Mississippi
In Mississippi, local sump pump deadlines run from Feb 12 to Mar 16, with a median around Mar 8 — a spread of weeks that a single statewide date would miss. Find your city below; each links to local freeze odds, a live 10-day outlook, and a checklist.

Notable cities
- Biloxi — earliest deadline in the state
- Meridian — latest deadline in the state
- Hattiesburg — near the state median
All Mississippi cities
| City | Local deadline | Median first 28°F | ||
|---|---|---|---|---|
| Biloxi | Feb 12 | Jan 2 | View → | Checklist |
| Gulfport | Feb 18 | Jan 2 | View → | Checklist |
| Jackson | Mar 6 | Dec 4 | View → | Checklist |
| Hattiesburg | Mar 8 | Nov 30 | View → | Checklist |
| Southaven | Mar 16 | Nov 28 | View → | Checklist |
| Meridian | Mar 16 | Nov 27 | View → | Checklist |
Local sump pump test deadlines for Mississippi cities — built from each city’s own NOAA station, not one statewide date.
Sump Pump Test in Mississippi: related searches
Mississippi homeowners search for: how to test a sump pump, sump pump lifespan, and "sump pump test near me" — every city page below answers those with local NOAA dates.
Back to the national Sump Pump Test guide, or see the methodology. You can also compare how the sump pump test window shifts in Minnesota and Missouri.
Data: NOAA NCEI 1991–2020 U.S. Climate Normals; live outlook by Open-Meteo. Last updated: July 25, 2026.