FrostList

When to Winterize Your RV in Phenix City, AL

ON TRACK154 days until first 28°F freezeDec 12

In a typical year, winterize your RV in Phenix City by December 2. The median first 28°F hard freeze at Phenix City's NOAA station is December 12 (1991–2020 normals); one year in ten it arrives as early as November 19. Year to year the date swings about 55 days, which is why the live outlook beats the calendar.

OUTLOOK

Typical first first 28°F freeze near Dec 12; local deadline about Dec 2. The live 10-day outlook loads here.

Local freeze dates for Phenix City

ThresholdEarly (1-in-10)MedianLate (9-in-10)
32°F (light freeze)Nov 7Nov 23Dec 18
28°F (hard freeze)Nov 19Dec 12Jan 13
24°F (severe)Dec 5Jan 1Jan 30

NOAA station: Columbus Metro AP · 4.6 mi away · 392 ft elevation.

Phenix City draws its numbers from Columbus Metro AP, 392 feet up and 4.6 miles away. Its median first-freeze dates are 32°F by Nov 23, 28°F by Dec 12, 24°F by Jan 1. The 28°F freeze has come as early as Nov 19 and as late as Jan 13, a 55-day spread. Spring's last 32°F freeze clears around Mar 5. Snowfall averages 0 inches a year.

In Phenix City, freezing nights (32°F) typically begin around Nov 23 and the first hard freeze (28°F) follows near Dec 12. Year to year, the first 32°F night has fallen anywhere from Nov 7 to Dec 18 — about 41 days apart. Spring's final freeze lands near Mar 5 and as late as Mar 24, so that is when outdoor water and stored gear can safely come back online. Measurable snow is rare, so the freeze near Mar 5 — not snow load — drives the local prep list.

Your rv checklist

  1. Drain the fresh, gray, and black tanks, then drain the water heater only after it has cooled and lost pressure.
  2. Bypass the water heater so you do not waste six gallons of antifreeze filling the tank.
  3. Blow out the lines with a compressor at about 30–40 psi, then pump non-toxic RV antifreeze through every faucet until it runs pink.
    Helpful gear: RV antifreeze (6-pack) — Recommended pick
  4. Use a water-pump converter kit to draw antifreeze straight from the jug through the plumbing.
    Helpful gear: Water pump converter kit — Recommended pick
  5. Pour a cup of antifreeze into each drain trap and the toilet to protect the seals.
  6. Fit a blow-out plug at the city-water inlet so you can clear that line too.
    Helpful gear: Blow-out plug — Recommended pick
  7. Remove batteries or put them on a maintainer, and store them off a cold concrete floor.
  8. Cover roof vents, close the propane, and set out traps or deterrents so mice do not move in.

What to have on hand

RV antifreeze (6-pack)
Non-toxic pink fluid for the fresh-water plumbing and traps.
Recommended pick
Water pump converter kit
Siphon kit that draws antifreeze straight through the pump.
Recommended pick
Blow-out plug
Adapter that lets a compressor clear the lines before antifreeze.
Recommended pick
Heated fresh-water hose
For anyone staying hooked up through a cold snap.
Recommended pick

What this means locally

Compared with nearby cities, Phenix City's first-freeze date near Dec 12 sits close to Columbus (Dec 12) and later than Auburn (Dec 1). Alabama's deadlines span Nov 4 to Dec 20 statewide — one date for all of Alabama would be off by weeks for Phenix City. Once you know Phenix City's freeze date, use it to shut down your sprinklers and winterize a boat too.

Other winter jobs in Phenix City

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

Sprinklers → Dec 2Frozen pipes → Nov 7Car battery → Dec 12Sump pump → Mar 5Boat → Dec 5Motorcycle → Nov 23

See the full Phenix City winter checklist, in order →

Frequently asked questions

At what temperature do RV pipes freeze?
An RV's exposed plumbing and thin-walled tanks can begin to freeze once temperatures sit in the mid-20s for a few hours, sooner than a house because there is little insulation around the lines. That is why the winterizing deadline tracks the first 28°F freeze rather than the first light frost.
How much RV antifreeze do I need?
Most travel trailers and motorhomes take about two to three gallons of non-toxic RV antifreeze, and larger rigs more. Bypassing the water heater saves roughly six gallons you would otherwise waste filling the tank. Buy an extra jug; stores sell out once the first freeze warnings hit.
Can I just use my RV furnace instead of winterizing?
Relying on the furnace is risky. A propane run-out, a tripped breaker, or a dead battery during a cold night leaves the plumbing unprotected, and the furnace may not keep the underbelly and bays warm enough anyway. Draining and adding antifreeze is the dependable way to protect the system.
How do I winterize an RV water heater?
Let the tank cool and lose pressure, then drain it and, if fitted, pull the anode rod. Do not add antifreeze to the water heater tank; instead, set the bypass valves so antifreeze skips the tank and fills only the lines. Fresh antifreeze in an unbypassed heater just wastes several gallons.
When is it safe to de-winterize an RV in Phenix City?
Wait until the last spring freeze has passed, which averages near Mar 5 here. De-winterize by flushing the antifreeze from the lines, sanitizing the fresh tank, and checking for leaks before a trip. Reopening too early risks a surprise late freeze on a charged system.
Do I need to winterize an RV stored indoors?
A reliably heated indoor space that stays above freezing protects the plumbing, so full winterizing may not be needed. But an unheated garage or barn can still drop below freezing on a cold night. If you cannot guarantee the space stays warm, winterize to be safe.

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