Frozen Pipe Protection in Arizona

In Arizona, local frozen pipes deadlines run from Sep 16 to Dec 18, with a median around Nov 19 — 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.

Frozen outdoor pipe with a thick icicle after a hard freeze — protect plumbing before freezing nights arrive — Arizona deadlines city by city — Photo: Eva Bronzini / Pexels

Jump to a city

Notable cities

Flagstaff — earliest deadline in the state
Phoenix — latest deadline in the state
Apache Junction — near the state median

All Arizona cities

City	Local deadline	Median first 28°F
Flagstaff	Sep 16	Oct 9	View →	Checklist
Prescott	Oct 7	Oct 31	View →	Checklist
Prescott Valley	Oct 13	Nov 8	View →	Checklist
Sierra Vista	Oct 23	Nov 21	View →	Checklist
Oro Valley	Oct 26	Nov 21	View →	Checklist
Maricopa	Nov 10	Dec 6	View →	Checklist
Mesa	Nov 18	Dec 19	View →	Checklist
Scottsdale	Nov 18	Dec 19	View →	Checklist
Tempe	Nov 18	Dec 19	View →	Checklist
Casa Grande	Nov 18	Dec 22	View →	Checklist
Marana	Nov 18	Dec 19	View →	Checklist
Apache Junction	Nov 19	Dec 22	View →	Checklist
Tucson	Nov 28	Dec 30	View →	Checklist
Glendale	Nov 28	Dec 29	View →	Checklist
Peoria	Nov 28	Dec 29	View →	Checklist
Surprise	Nov 28	Dec 29	View →	Checklist
Bullhead City	Dec 1	Dec 25	View →	Checklist
Avondale	Dec 6	Jan 4	View →	Checklist
Goodyear	Dec 6	Jan 4	View →	Checklist
Buckeye	Dec 6	Jan 4	View →	Checklist
Lake Havasu City	Dec 9	—	View →	Checklist
Yuma	Dec 11	Dec 31	View →	Checklist
Phoenix	Dec 18	—	View →	Checklist

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

Frozen Pipe Protection in Arizona: related searches

Arizona homeowners search for: pipe freeze temperature, how to keep pipes from freezing, and "frozen pipe protection near me" — every city page below answers those with local NOAA dates.

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Back to the national Frozen Pipe Protection guide, or see the methodology. You can also compare how the frozen pipe protection 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.