FrostList

Boat Winterization in Arizona

In Arizona, local boat deadlines run from Oct 2 to Dec 28, with a median around Dec 15 — 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.

Covered boat locked in ice beside a dock on a frozen lake — winterize the engine before the first hard freeze catches it in the water — Arizona deadlines city by city
Photo: Unsplash

Notable cities

All Arizona cities

CityLocal deadlineMedian first 28°F
FlagstaffOct 2Oct 9View →Checklist
PrescottOct 24Oct 31View →Checklist
Prescott ValleyNov 1Nov 8View →Checklist
Sierra VistaNov 14Nov 21View →Checklist
Oro ValleyNov 14Nov 21View →Checklist
MaricopaNov 29Dec 6View →Checklist
MesaDec 12Dec 19View →Checklist
ScottsdaleDec 12Dec 19View →Checklist
TempeDec 12Dec 19View →Checklist
MaranaDec 12Dec 19View →Checklist
Casa GrandeDec 15Dec 22View →Checklist
Apache JunctionDec 15Dec 22View →Checklist
Bullhead CityDec 18Dec 25View →Checklist
GlendaleDec 22Dec 29View →Checklist
PeoriaDec 22Dec 29View →Checklist
SurpriseDec 22Dec 29View →Checklist
TucsonDec 23Dec 30View →Checklist
YumaDec 24Dec 31View →Checklist
AvondaleDec 28Jan 4View →Checklist
GoodyearDec 28Jan 4View →Checklist
BuckeyeDec 28Jan 4View →Checklist
OctNovDecJanFlagstaffOct 2PrescottOct 24Prescott ValleyNov 1Sierra VistaNov 14Oro ValleyNov 14MaricopaNov 29MesaDec 12ScottsdaleDec 12TempeDec 12MaranaDec 12Casa GrandeDec 15Apache JunctionDec 15Bullhead CityDec 18GlendaleDec 22PeoriaDec 22SurpriseDec 22TucsonDec 23YumaDec 24

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

Boat Winterization in Arizona: related searches

Arizona homeowners search for: how to winterize a boat, winterize outboard motor, and "boat winterization near me" — every city page below answers those with local NOAA dates.

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Back to the national Boat Winterization guide, or see the methodology. You can also compare how the boat winterization window shifts in Alaska and Arkansas.

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