FrostList

When to Winterize Your RV in Macon, GA

ON TRACK136 days until first 28°F freezeNov 24

Macon's median first 28°F hard freeze is November 24 (1991–2020 NOAA normals), and it can strike as early as November 6 — so winterize your RV in Macon by November 14. Plan for the early end: the one-in-ten date lands about 18 days before the median.

OUTLOOK

Typical first first 28°F freeze near Nov 24; local deadline about Nov 14. The live 10-day outlook loads here.

Local freeze dates for Macon

ThresholdEarly (1-in-10)MedianLate (9-in-10)
32°F (light freeze)Oct 29Nov 10Nov 29
28°F (hard freeze)Nov 6Nov 24Dec 21
24°F (severe)Nov 18Dec 15Jan 14

NOAA station: Macon Middle Ga Rgnl AP · 10.8 mi away · 343 ft elevation.

Macon draws its numbers from Macon Middle Ga Rgnl AP, 343 feet up and 10.8 miles away. Its median first-freeze dates are 32°F by Nov 10, 28°F by Nov 24, 24°F by Dec 15. The 28°F freeze has come as early as Nov 6 and as late as Dec 21, a 45-day spread. Spring's last 32°F freeze clears around Mar 21.

Expect the first frost near Nov 10 in Macon and the first hard freeze by about Nov 24. That first freezing night has ranged from Oct 29 to Nov 29, roughly a 31-day spread. On the spring side, the last 32°F freeze clears around Mar 21 and as late as Apr 7 — the green light for reopening water and de-winterizing. With almost no snow in a normal year, cold — not plowing — sets the calendar, and it centers on Mar 21.

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

Macon freezes about a week ahead of Warner Robins (Dec 4) and later than Atlanta (Nov 20) — a reminder that even nearby towns differ by days. Statewide, Georgia prep dates run Nov 9 through Dec 16, which is why Macon gets its own number rather than a Georgia-wide average. The same freeze also decides when to shut down your sprinklers and winterize a boat.

Other winter jobs in Macon

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

Sprinklers → Nov 14Frozen pipes → Oct 29Car battery → Nov 24Sump pump → Mar 21Boat → Nov 17Motorcycle → Nov 10

See the full Macon 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 Macon?
Wait until the last spring freeze has passed, which averages near Mar 21 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 Macon Middle Ga Rgnl AP, live outlook by Open-Meteo. Sources · Methodology. Last updated: July 11, 2026.