FrostList

Frozen Pipe Protection in Colorado

In Colorado, local frozen pipes deadlines run from Sep 15 to Oct 11, with a median around Sep 25 — 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 — Colorado deadlines city by city
Photo: Eva Bronzini / Pexels

Notable cities

All Colorado cities

CityLocal deadlineMedian first 28°F
LovelandSep 15Oct 10View →Checklist
Castle RockSep 17Oct 12View →Checklist
ArvadaSep 20Oct 14View →Checklist
BoulderSep 21Oct 15View →Checklist
ParkerSep 21Oct 12View →Checklist
LongmontSep 23Oct 12View →Checklist
Fort CollinsSep 24Oct 17View →Checklist
LakewoodSep 24Oct 16View →Checklist
AuroraSep 25Oct 18View →Checklist
CentennialSep 25Oct 17View →Checklist
Commerce CitySep 25Oct 18View →Checklist
Colorado SpringsSep 26Oct 16View →Checklist
ThorntonSep 26Oct 21View →Checklist
WestminsterSep 26Oct 21View →Checklist
GreeleySep 26Oct 18View →Checklist
BroomfieldSep 26Oct 21View →Checklist
NorthglennSep 26Oct 21View →Checklist
LittletonSep 27Oct 21View →Checklist
DenverSep 28Oct 21View →Checklist
PuebloSep 28Oct 18View →Checklist
Grand JunctionOct 11Nov 2View →Checklist
OctLovelandSep 15Castle RockSep 17ArvadaSep 20BoulderSep 21ParkerSep 21LongmontSep 23Fort CollinsSep 24LakewoodSep 24AuroraSep 25CentennialSep 25Commerce CitySep 25Colorado SpringsSep 26ThorntonSep 26WestminsterSep 26GreeleySep 26BroomfieldSep 26NorthglennSep 26LittletonSep 27

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

Frozen Pipe Protection in Colorado: related searches

Colorado 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.

pipe freeze temperaturehow to keep pipes from freezingheat tape for pipespipe insulation cost per footlet faucets drip in winterburst pipe insurance claimthermostat setting for vacation in winterfrozen pipe prevention checklist

Back to the national Frozen Pipe Protection guide, or see the methodology. You can also compare how the frozen pipe protection window shifts in California and Connecticut.

Data: NOAA NCEI 1991–2020 U.S. Climate Normals; live outlook by Open-Meteo. Last updated: July 25, 2026.