FrostList

When to Test Your Sump Pump in Bryan, TX

SEASON PASSED231 days until spring thaw test (last 32°F)Feb 27

In Bryan the spring thaw peaks around the last 32°F freeze, near February 27 (1991–2020 normals) — a good twice-a-year cue, with the fall rains, to pour five gallons in the pit and watch the pump run. The early-odds date runs roughly 25 days ahead of the median, so build in that buffer.

OUTLOOK

Typical first spring thaw test (last 32°F) near Feb 27; local deadline about Feb 27. The live 10-day outlook loads here.

Local freeze dates for Bryan

ThresholdEarly (1-in-10)MedianLate (9-in-10)
32°F (light freeze)Nov 10Nov 30Dec 26
28°F (hard freeze)Nov 23Dec 18Jan 22
24°F (severe)Dec 5Jan 3Feb 12

NOAA station: College Stn · 5.9 mi away · 305 ft elevation.

For Bryan, the nearest NOAA station with freeze data is College Stn, 5.9 miles out at 305 feet. Median first-freeze dates there run 32°F by Nov 30, 28°F by Dec 18, 24°F by Jan 3. Year to year the 28°F date has ranged from Nov 23 to Jan 22 — about 60 days apart. Spring's last 32°F freeze clears around Feb 27.

The freeze arrives in two steps in Bryan: 32°F around Nov 30, then a hard 28°F near Dec 18. The 32°F date swings from Nov 10 at its earliest to Dec 26 at its latest, near 46 days. The last spring freeze averages Feb 27 and as late as Mar 18, which sets the safe window for reopening outdoor water and de-winterizing gear. Snow barely registers here; the freeze date, around Feb 27, is the one that matters.

Your sump pump checklist

  1. Pour about five gallons of water into the pit slowly and watch the float rise, the pump start, and the water drop.
    Helpful gear: Water level alarm — Recommended pick
  2. Confirm the discharge line carries water 10–20 feet from the foundation and does not drain back into the pit.
    Helpful gear: Sump check valve — Recommended pick
  3. Clear the inlet screen and the pit of gravel and debris that can jam the float or the impeller.
  4. Check the check valve for a firm click; a failed valve lets discharged water fall back and short-cycle the pump.
  5. Add a battery backup pump so the system still runs when a storm knocks out the power.
    Helpful gear: Battery backup sump pump — Recommended pick
  6. Test the backup on battery power and note the install date; batteries usually need replacing every few years.
  7. If the primary pump is 7–10 years old, keep a replacement on the shelf before it fails mid-storm.
    Helpful gear: Replacement primary pump — Recommended pick
  8. Remember that flood insurance and most homeowner policies treat pump failure separately — read your coverage.

What to have on hand

Battery backup sump pump
Second pump that runs when the power goes out mid-storm.
Recommended pick
Water level alarm
Loud sensor that warns you before the pit overflows.
Recommended pick
Sump check valve
One-way valve that stops discharged water from draining back.
Recommended pick
Replacement primary pump
A ready spare for a pump nearing the end of its life.
Recommended pick

What this means locally

Against its neighbors, Bryan (first freeze Feb 27) runs close to College Station (Feb 27) and close to Huntsville (Mar 1). Across Texas, local prep deadlines in our data range from Jan 8 to Apr 15, so a statewide rule of thumb would miss Bryan by weeks. In Bryan, that same cold is your cue to protect your pipes.

Other winter jobs in Bryan

Every task below is dated to Bryan's own freeze and snow normals.

Sprinklers → Dec 8Frozen pipes → Nov 10Car battery → Dec 18RV → Dec 8Boat → Dec 11Motorcycle → Nov 30

See the full Bryan winter checklist, in order →

Frequently asked questions

How do I test my sump pump before heavy rain?
Pour about five gallons of water into the pit slowly and watch the float rise, the pump switch on, and the water level drop. Confirm the discharge carries water well away from the foundation. Doing this before the wet season, and again in spring near the last freeze around Feb 27, catches problems early.
How often should a sump pump run?
It varies with your water table and weather; some pumps cycle every few minutes during a storm and sit idle for weeks in dry spells. Frequent cycling with no rain can signal a stuck float, a failed check valve, or groundwater seeping in. Occasional running during wet weather is normal.
How long do sump pumps last?
A typical sump pump lasts about 7 to 10 years, though hard-working pumps wear out sooner. If yours is near that age, keep a replacement on hand so a mid-storm failure does not leave the pit unattended. Testing it seasonally tells you more than age alone.
Do I need a battery backup sump pump?
If your basement floods when the power goes out, yes — storms that overwhelm the pit are exactly when the grid tends to fail. A battery backup runs the pump through an outage, which is the single most common cause of a wet basement during heavy weather. Test the backup on battery power, too.
Does insurance cover sump pump failure?
Standard homeowner policies and federal flood insurance often exclude damage from a sump pump that fails or is overwhelmed. A separate water-backup or sump-failure rider may be available. Read your policy before a storm, because assumptions about coverage are a common and costly surprise.
Why is my sump pump running with no rain?
A high water table, snowmelt, or groundwater seepage can keep the pit filling even in dry weather. A pump that runs constantly may also have a stuck float switch or a check valve that lets discharged water fall back into the pit. Check the float and the valve first.

Data: NOAA 1991–2020 normals via College Stn, live outlook by Open-Meteo. Sources · Methodology. Last updated: July 11, 2026.