FrostList

Winter Prep Checklist for Tempe, AZ

Here's the order to prep Tempe, AZ for winter, set by local freeze data. Your first deadline is November 18 — prevent frozen pipes — and the sequence runs through the cold season into spring below.

Your winter prep order for Tempe

  1. NovemberNovember 18Prevent Frozen PipesSee details →
  2. DecemberDecember 5Store Your MotorcycleSee details →
  3. DecemberDecember 9Winterize SprinklersSee details →
  4. DecemberDecember 9Winterize Your RVSee details →
  5. DecemberDecember 12Winterize Your BoatSee details →
  6. DecemberDecember 19Test Your Car BatterySee details →
  7. FebruaryFebruary 13Test Your Sump PumpSee details →

Dates are local deadlines derived from NOAA 1991–2020 freeze and snowfall normals for Tempe. Live outlooks on each linked page can move the urgency earlier.

How the order is set

Each task is pinned to Tempe'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.

Data: NOAA 1991–2020 normals via Tempe Asu, live outlook by Open-Meteo. Sources · Methodology. Last updated: July 11, 2026.