Winter Prep Checklist for Phoenix, AZ
Here's the order to prep Phoenix, AZ for winter, set by local freeze data. Your first deadline is December 18 — prevent frozen pipes — and the sequence runs through the cold season into spring below.
Your winter prep order for Phoenix
- DecemberDecember 18 — Prevent Frozen PipesSee details →
- JanuaryJanuary 3 — Store Your MotorcycleSee details →
- JanuaryJanuary 5 — Test Your Sump PumpSee details →
All nine Phoenix deadlines, from NOAA Arizona freeze and snowfall normals, plotted across the season.
Dates are local deadlines derived from NOAA 1991–2020 freeze and snowfall normals for Phoenix. Live outlooks on each linked page can move the urgency earlier.
How the order is set
Each task is pinned to Phoenix's own NOAA 1991–2020 freeze and snowfall normals, then ordered by its local deadline. Sprinklers, RVs, and boats key off the first 28°F freeze; pipes and motorcycles off the first freezing night; snow blowers and roofs off the first plowable snow. Follow any link for the live outlook and a checklist. Helping family or friends nearby? Compare the full winter checklist for Peoria and Prescott.
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Winter prep in Phoenix: related searches
This page answers the questions Phoenix homeowners search every fall: when to winterize sprinklers in Phoenix, when the first freeze usually hits Arizona, when to blow out irrigation lines, protect pipes, and get the snow blower serviced — all from the nearest NOAA station, not a national average.
Data: NOAA 1991–2020 normals via Phoenix Sky Harbor Intl AP, live outlook by Open-Meteo. Sources · Methodology. Last updated: July 25, 2026.