FrostList

Sprinkler Winterization in Michigan

In Michigan, local sprinklers deadlines run from Oct 13 to Oct 30, with a median around Oct 22 — 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.

Notable cities

All Michigan cities

CityLocal deadlineMedian first 28°F
Grand RapidsOct 13Oct 23View →Checklist
Ann ArborOct 13Oct 23View →Checklist
FlintOct 13Oct 23View →Checklist
WyomingOct 13Oct 23View →Checklist
KentwoodOct 13Oct 23View →Checklist
LansingOct 17Oct 27View →Checklist
Farmington HillsOct 17Oct 27View →Checklist
SouthfieldOct 17Oct 27View →Checklist
NoviOct 17Oct 27View →Checklist
LivoniaOct 18Oct 28View →Checklist
Dearborn HeightsOct 18Oct 28View →Checklist
Lincoln ParkOct 18Oct 28View →Checklist
East LansingOct 20Oct 30View →Checklist
MidlandOct 21Oct 31View →Checklist
KalamazooOct 22Nov 1View →Checklist
St. Clair ShoresOct 22Nov 1View →Checklist
Battle CreekOct 22Nov 1View →Checklist
RosevilleOct 22Nov 1View →Checklist
PortageOct 22Nov 1View →Checklist
MuskegonOct 23Nov 2View →Checklist
Sterling HeightsOct 24Nov 3View →Checklist
SaginawOct 24Nov 3View →Checklist
TroyOct 25Nov 4View →Checklist
Rochester HillsOct 25Nov 4View →Checklist
PontiacOct 25Nov 4View →Checklist
DearbornOct 27Nov 6View →Checklist
WestlandOct 28Nov 7View →Checklist
TaylorOct 28Nov 7View →Checklist
DetroitOct 30Nov 9View →Checklist
WarrenOct 30Nov 9View →Checklist
Royal OakOct 30Nov 9View →Checklist

Back to the national Sprinkler Winterization guide, or see the methodology.

Data: NOAA NCEI 1991–2020 U.S. Climate Normals; live outlook by Open-Meteo. Last updated: July 11, 2026.