FrostList

Car Battery Cold-Start: Local Deadlines by City

Test your car battery before your area's first hard freeze, which lands on a different date in each city below. Cold cuts a battery's cranking power sharply, and packs three to five years old are the ones that quit on the first cold morning. A voltage check at home, or a free load test at a parts store, tells you where you stand. This guidance paraphrases national auto clubs and battery makers.

Deadlines for the largest cities

CityStateLocal deadline
New YorkNYDec 1View →
ChicagoILNov 15View →
HoustonTXJan 5View →
PhiladelphiaPANov 29View →
San AntonioTXDec 15View →
DallasTXDec 12View →
AustinTXDec 1View →
IndianapolisINNov 1View →
JacksonvilleFLJan 14View →
ColumbusOHNov 3View →
CharlotteNCNov 14View →
Fort WorthTXDec 6View →
DetroitMINov 9View →
El PasoTXDec 1View →
MemphisTNNov 28View →
SeattleWADec 2View →
DenverCOOct 21View →
WashingtonDCNov 20View →
BostonMANov 21View →
NashvilleTNNov 9View →
BaltimoreMDDec 5View →
Oklahoma CityOKNov 11View →
LouisvilleKYNov 20View →
PortlandORDec 20View →
Las VegasNVDec 25View →
MilwaukeeWINov 1View →
AlbuquerqueNMNov 15View →
TucsonAZDec 30View →
FresnoCADec 24View →
SacramentoCADec 25View →
Kansas CityMONov 11View →
MesaAZDec 19View →
Virginia BeachVANov 25View →
AtlantaGANov 20View →
Colorado SpringsCOOct 16View →
OmahaNEOct 30View →
RaleighNCNov 23View →
MinneapolisMNOct 27View →
TulsaOKNov 13View →
ClevelandOHNov 22View →
WichitaKSNov 6View →
ArlingtonTXDec 3View →
New OrleansLAJan 8View →
BakersfieldCADec 20View →
AuroraCOOct 18View →
St. LouisMONov 15View →
RiversideCADec 29View →
Corpus ChristiTXJan 1View →
Saint PaulMNOct 27View →
Lexington-FayetteKYNov 6View →

Find every covered city for your state in the list below.

Why cold exposes a weak battery

A battery's chemistry slows in the cold, so it delivers less current just as a cold engine demands more to turn over. A pack that started fine in September can fail on the first sub-20°F morning. Age is the best predictor: after three years, test every fall.

Heat also ages batteries, so a battery that endured a hot summer may be weaker than its age suggests. Clean, tight terminals matter too, since corrosion adds resistance that mimics a failing battery.

What actually helps

A garage, a battery blanket, or a maintainer for a car that sits all keep the battery warmer and better charged. A charged lithium jump starter in the trunk turns a no-start into a two-minute delay. Match any replacement to the cold-cranking-amps rating your owner's manual specifies.

How we time the check

We use each station's median date for the first fall minimum at or below 28°F as the point to have tested by. The colder 24°F and 20°F dates on each city page show how quickly deeper cold follows. See the methodology page.

Find your state

Alabama

12 cities · deadlines from Nov 14–Dec 30

Alaska

2 cities · deadlines from Oct 8–Nov 8

Arizona

21 cities · deadlines from Jan 4–Dec 31

Arkansas

10 cities · deadlines from Nov 4–Nov 29

California

105 cities · deadlines from Jan 1–Dec 31

Colorado

21 cities · deadlines from Oct 10–Nov 2

Connecticut

15 cities · deadlines from Oct 30–Nov 19

Delaware

2 cities · deadlines from Nov 15–Nov 16

District of Columbia

1 cities · deadlines from Nov 20–Nov 20

Florida

19 cities · deadlines from Jan 1–Dec 25

Georgia

18 cities · deadlines from Nov 19–Dec 26

Idaho

9 cities · deadlines from Oct 13–Nov 1

Illinois

52 cities · deadlines from Oct 24–Nov 15

Indiana

21 cities · deadlines from Oct 28–Nov 20

Iowa

13 cities · deadlines from Oct 18–Nov 1

Kansas

11 cities · deadlines from Oct 29–Nov 11

Kentucky

6 cities · deadlines from Nov 4–Nov 20

Louisiana

9 cities · deadlines from Jan 3–Dec 30

Maine

2 cities · deadlines from Oct 27–Oct 31

Maryland

7 cities · deadlines from Nov 1–Dec 5

Massachusetts

36 cities · deadlines from Oct 18–Nov 21

Michigan

31 cities · deadlines from Oct 23–Nov 9

Minnesota

25 cities · deadlines from Oct 8–Oct 29

Mississippi

6 cities · deadlines from Jan 2–Dec 4

Missouri

16 cities · deadlines from Oct 26–Nov 15

Montana

5 cities · deadlines from Oct 3–Oct 12

Nebraska

4 cities · deadlines from Oct 22–Oct 30

Nevada

6 cities · deadlines from Oct 18–Dec 26

New Hampshire

3 cities · deadlines from Oct 13–Oct 24

New Jersey

22 cities · deadlines from Nov 7–Dec 2

New Mexico

7 cities · deadlines from Oct 16–Nov 24

New York

17 cities · deadlines from Oct 26–Dec 1

North Carolina

22 cities · deadlines from Nov 10–Dec 3

North Dakota

4 cities · deadlines from Oct 9–Oct 14

Ohio

33 cities · deadlines from Oct 26–Nov 22

Oklahoma

11 cities · deadlines from Nov 8–Nov 14

Oregon

14 cities · deadlines from Oct 4–Dec 21

Pennsylvania

13 cities · deadlines from Oct 31–Nov 29

Rhode Island

6 cities · deadlines from Oct 31–Nov 9

South Carolina

12 cities · deadlines from Jan 8–Dec 28

South Dakota

3 cities · deadlines from Oct 12–Oct 24

Tennessee

17 cities · deadlines from Oct 30–Nov 28

Texas

80 cities · deadlines from Jan 1–Dec 31

Utah

19 cities · deadlines from Oct 14–Nov 20

Vermont

2 cities · deadlines from Oct 21–Oct 28

Virginia

17 cities · deadlines from Oct 29–Dec 1

Washington

28 cities · deadlines from Oct 16–Dec 11

West Virginia

2 cities · deadlines from Nov 5–Nov 8

Wisconsin

20 cities · deadlines from Oct 16–Nov 6

Wyoming

2 cities · deadlines from Oct 6–Oct 10

Frequently asked questions

At what temperature do batteries fail?
There is no single number, but cranking power drops sharply in the cold — a healthy battery can lose much of its capacity near 0°F. A weak battery that starts fine in fall can quit on the first hard-freeze morning.
How long do car batteries last?
About three to five years on average, with cold climates shortening that and summer heat aging them too. After three years, test every fall.
Should I disconnect in extreme cold?
For a daily driver, no. For a vehicle that sits for weeks, a maintainer is better than disconnecting because it holds the charge.
Do battery blankets help?
Yes, especially for cars parked outside in sustained sub-zero cold. A garage does much of the same for free.
What CCA rating do I need?
Match the cold-cranking-amps figure your owner's manual or original battery specifies. A bigger number is not better if it does not fit the tray and hold-down.
How do I test the battery?
Read resting voltage after an overnight sit — about 12.6V is full, 12.4V or lower is marginal — and get a free load test at a parts store.
Why does cold hurt starting?
Cold slows the battery's chemistry so it delivers less current, just as a cold engine needs more to turn over. The mismatch exposes a weak battery.
Where should I keep a jump starter?
A charged lithium jump starter in the trunk turns a no-start into a short delay. Recharge it a few times each winter.

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