FrostList

RV Winterization in California

In California, local rv deadlines run from Jan 6 to Dec 27, with a median around Dec 14 — 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.

Motorhome parked on a snowy street in falling snow — drain and antifreeze the water system before the first hard freeze — California deadlines city by city
Photo: Arlind Photography / Unsplash

Notable cities

All California cities

CityLocal deadlineMedian first 28°F
San RamonJan 6Jan 16View →Checklist
DanvilleJan 6Jan 16View →Checklist
LancasterOct 31Nov 10View →Checklist
VictorvilleNov 14Nov 24View →Checklist
Apple ValleyNov 14Nov 24View →Checklist
PalmdaleNov 21Dec 1View →Checklist
ChicoNov 23Dec 3View →Checklist
ReddingNov 27Dec 7View →Checklist
PetalumaNov 29Dec 9View →Checklist
Rohnert ParkNov 29Dec 9View →Checklist
MartinezNov 29Dec 9View →Checklist
VacavilleNov 30Dec 10View →Checklist
MaderaNov 30Dec 10View →Checklist
TracyDec 1Dec 11View →Checklist
MercedDec 1Dec 11View →Checklist
GilroyDec 2Dec 12View →Checklist
Morgan HillDec 2Dec 12View →Checklist
HesperiaDec 4Dec 14View →Checklist
HanfordDec 4Dec 14View →Checklist
Santa RosaDec 6Dec 16View →Checklist
Elk GroveDec 6Dec 16View →Checklist
MantecaDec 6Dec 16View →Checklist
West SacramentoDec 6Dec 16View →Checklist
LivermoreDec 8Dec 18View →Checklist
PleasantonDec 8Dec 18View →Checklist
DavisDec 8Dec 18View →Checklist
WoodlandDec 8Dec 18View →Checklist
DublinDec 8Dec 18View →Checklist
SalinasDec 9Dec 19View →Checklist
NapaDec 9Dec 19View →Checklist
DelanoDec 9Dec 19View →Checklist
CampbellDec 9Dec 19View →Checklist
BakersfieldDec 10Dec 20View →Checklist
LodiDec 10Dec 20View →Checklist
ModestoDec 11Dec 21View →Checklist
HemetDec 11Dec 21View →Checklist
CeresDec 11Dec 21View →Checklist
San JacintoDec 11Dec 21View →Checklist
BeaumontDec 11Dec 21View →Checklist
Palo AltoDec 12Dec 22View →Checklist
RocklinDec 12Dec 22View →Checklist
LincolnDec 12Dec 22View →Checklist
StocktonDec 13Dec 23View →Checklist
OceansideDec 13Dec 23View →Checklist
ConcordDec 13Dec 23View →Checklist
CarlsbadDec 13Dec 23View →Checklist
PortervilleDec 13Dec 23View →Checklist
FresnoDec 14Dec 24View →Checklist
FairfieldDec 14Dec 24View →Checklist
ClovisDec 14Dec 24View →Checklist
TurlockDec 14Dec 24View →Checklist
Yuba CityDec 14Dec 24View →Checklist
San RafaelDec 14Dec 24View →Checklist
SacramentoDec 15Dec 25View →Checklist
VisaliaDec 15Dec 25View →Checklist
RosevilleDec 15Dec 25View →Checklist
Citrus HeightsDec 15Dec 25View →Checklist
FolsomDec 15Dec 25View →Checklist
Rancho CordovaDec 15Dec 25View →Checklist
TulareDec 15Dec 25View →Checklist
Simi ValleyDec 16Dec 26View →Checklist
Santa MonicaDec 16Dec 26View →Checklist
Redwood CityDec 16Dec 26View →Checklist
WatsonvilleDec 16Dec 26View →Checklist
Santa MariaDec 17Dec 27View →Checklist
MenifeeDec 17Dec 27View →Checklist
PerrisDec 17Dec 27View →Checklist
Santa CruzDec 17Dec 27View →Checklist
Lake ElsinoreDec 17Dec 27View →Checklist
Santa ClaraDec 18Dec 28View →Checklist
San LeandroDec 18Dec 28View →Checklist
AlamedaDec 18Dec 28View →Checklist
MilpitasDec 18Dec 28View →Checklist
RiversideDec 19Dec 29View →Checklist
FremontDec 19Dec 29View →Checklist
AntiochDec 19Dec 29View →Checklist
Union CityDec 19Dec 29View →Checklist
Walnut CreekDec 19Dec 29View →Checklist
PittsburgDec 19Dec 29View →Checklist
BrentwoodDec 19Dec 29View →Checklist
NovatoDec 19Dec 29View →Checklist
LompocDec 19Dec 29View →Checklist
OakleyDec 19Dec 29View →Checklist
CoronaDec 20Dec 30View →Checklist
El CajonDec 20Dec 30View →Checklist
VistaDec 20Dec 30View →Checklist
ChinoDec 20Dec 30View →Checklist
Chino HillsDec 20Dec 30View →Checklist
Yorba LindaDec 20Dec 30View →Checklist
La MesaDec 20Dec 30View →Checklist
SanteeDec 20Dec 30View →Checklist
EastvaleDec 20Dec 30View →Checklist
SunnyvaleDec 21Dec 31View →Checklist
Mountain ViewDec 21Dec 31View →Checklist
CupertinoDec 21Dec 31View →Checklist
El CentroDec 21Dec 31View →Checklist
CalexicoDec 21Dec 31View →Checklist
San BernardinoDec 22Jan 1View →Checklist
Moreno ValleyDec 22Jan 1View →Checklist
RedlandsDec 22Jan 1View →Checklist
HighlandDec 22Jan 1View →Checklist
ColtonDec 22Jan 1View →Checklist
YucaipaDec 22Jan 1View →Checklist
VallejoDec 23Jan 2View →Checklist
San Luis ObispoDec 27Jan 6View →Checklist
NovDecJanFebLancasterOct 31VictorvilleNov 14Apple ValleyNov 14PalmdaleNov 21ChicoNov 23ReddingNov 27PetalumaNov 29Rohnert ParkNov 29MartinezNov 29VacavilleNov 30MaderaNov 30TracyDec 1MercedDec 1GilroyDec 2Morgan HillDec 2HesperiaDec 4San RamonJan 6DanvilleJan 6

Local rv winterization deadlines for California cities — built from each city’s own NOAA station, not one statewide date.

RV Winterization in California: related searches

California homeowners search for: RV winterization checklist, how to winterize a camper, and "rv winterization near me" — every city page below answers those with local NOAA dates.

RV winterization checklisthow to winterize a camperRV antifreeze how many gallonswater heater bypass RVblow out RV water linesnon-toxic RV antifreezeRV low point drainwinterize travel trailer

Back to the national RV Winterization guide, or see the methodology. You can also compare how the rv winterization window shifts in Arkansas and Colorado.

Data: NOAA NCEI 1991–2020 U.S. Climate Normals; live outlook by Open-Meteo. Last updated: July 25, 2026.