FrostList

When to Winterize Your RV in Jackson, TN

ON TRACK119 days until first 28°F freezeNov 7

Jackson's median first 28°F hard freeze is November 7 (1991–2020 NOAA normals), and it can strike as early as October 27 — so winterize your RV in Jackson by October 28. Year to year the date swings about 28 days, which is why the live outlook beats the calendar.

OUTLOOK

Typical first first 28°F freeze near Nov 7; local deadline about Oct 28. The live 10-day outlook loads here.

Local freeze dates for Jackson

ThresholdEarly (1-in-10)MedianLate (9-in-10)
32°F (light freeze)Oct 16Oct 29Nov 11
28°F (hard freeze)Oct 27Nov 7Nov 24
24°F (severe)Nov 3Nov 17Dec 9

NOAA station: Jackson Exp Stn · 1.8 mi away · 400 ft elevation.

Numbers for Jackson come from Jackson Exp Stn, 1.8 miles away at 400 feet, where the medians fall 32°F by Oct 29, 28°F by Nov 7, 24°F by Nov 17. Year to year the 28°F date has ranged from Oct 27 to Nov 24 — about 28 days apart. Spring's last 32°F freeze clears around Apr 2. Snowfall averages 3 inches a year, first reaching an inch near January.

The freeze arrives in two steps in Jackson: 32°F around Oct 29, then a hard 28°F near Nov 7. Year to year, the first 32°F night has fallen anywhere from Oct 16 to Nov 11 — about 26 days apart. Spring's final freeze lands near Apr 2 and as late as Apr 18, so that is when outdoor water and stored gear can safely come back online. Measurable snow is rare, so the freeze near Apr 2 — 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

Against its neighbors, Jackson (first freeze Nov 7) runs about a week ahead of Collierville (Nov 14) and about a week ahead of Bartlett (Nov 17). Across Tennessee, local prep deadlines in our data range from Oct 20 to Nov 18, so a statewide rule of thumb would miss Jackson by weeks. In Jackson, that same cold is your cue to shut down your sprinklers and winterize a boat.

Other winter jobs in Jackson

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

Sprinklers → Oct 28Frozen pipes → Oct 16Car battery → Nov 7Sump pump → Apr 2Boat → Oct 31Motorcycle → Oct 29

See the full Jackson 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 Jackson?
Wait until the last spring freeze has passed, which averages near Apr 2 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 Jackson Exp Stn, live outlook by Open-Meteo. Sources · Methodology. Last updated: July 11, 2026.