FrostList

Winter Prep Checklist for Ann Arbor, MI

Here's the order to prep Ann Arbor, MI for winter, set by local freeze data. Your first deadline is September 28 — prevent frozen pipes — and the sequence runs through the cold season into spring below.

Snow-covered home during a hard winter — the Ann Arbor, MI winter-prep checklist ordered by local freeze dates
Photo: Unsplash

Your winter prep order for Ann Arbor

  1. SeptemberSeptember 28 — Prevent Frozen PipesSee details →
  2. OctoberOctober 10 — Store Your MotorcycleSee details →
  3. OctoberOctober 13 — Winterize SprinklersSee details →
  4. OctoberOctober 13 — Winterize Your RVSee details →
  5. OctoberOctober 16 — Prevent Ice DamsSee details →
  6. OctoberOctober 16 — Winterize Your BoatSee details →
  7. OctoberOctober 23 — Test Your Car BatterySee details →
  8. OctoberOctober 25 — Prep Your Snow BlowerSee details →
  9. MayMay 5 — Test Your Sump PumpSee details →
OctNovDecJanFebMarAprMayFrozen pipesSep 28MotorcycleOct 10SprinklersOct 13RVOct 13Ice damsOct 16BoatOct 16Car batteryOct 23Snow blowerOct 25Sump pumpMay 5

All nine Ann Arbor deadlines, from NOAA Michigan freeze and snowfall normals, plotted across the season.

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

How the order is set

Each task is pinned to Ann Arbor'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 Wyoming and Battle Creek.

Winter prep in Ann Arbor: related searches

This page answers the questions Ann Arbor homeowners search every fall: when to winterize sprinklers in Ann Arbor, when the first freeze usually hits Michigan, when to blow out irrigation lines, protect pipes, and get the snow blower serviced — all from the nearest NOAA station, not a national average.

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Data: NOAA 1991–2020 normals via Ann Arbor Se, live outlook by Open-Meteo. Sources · Methodology. Last updated: July 25, 2026.