Last frost date in Goodyear, AZ

Average last frost
January 14

Expect the last frost in Goodyear around January 14. Frost after February 12 happens in only one year out of ten. The first fall frost usually arrives about December 22, which leaves 343 frost-free days. An early freeze before December 1 happens one year in ten.

Safe after (10% risk)
Feb 12
Average first frost
Dec 22
Frost-free season
343 days
Hard freeze (28°F) ends
Jan 5
Next 6 nights in Goodyear

No frost in the next 6 nights

National Weather Service forecast, updated Oct 22, 12:57 UTC

  1. ThuOct 2262°
  2. FriOct 2361°
  3. SatOct 2461°
  4. SunOct 2561°
  5. MonOct 2662°
  6. TueOct 2764°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Jan 14First frost Dec 22343 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND343 frost-free days
Frost risk through the year at Laveen 3 SSE, 13.9 miles from Goodyear.

Planting calendar for Goodyear

Windows count forward or back from the average frost dates above. Click a crop for dates across Arizona.

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesFeb 15–Mar 1
PumpkinsFeb 15–Mar 1
SunflowersFeb 15–Mar 8
CucumbersFeb 22–Mar 1
CornFeb 15–Mar 1
Sweet potatoesFeb 15–Mar 1
WatermelonFeb 15–Mar 1
Green beansFeb 15–Mar 8
ZucchiniFeb 15–Mar 1
OkraFeb 15–Mar 1
PeppersFeb 15–Mar 1
BasilFeb 15–Mar 1
Butternut squashFeb 15–Mar 1
CantaloupeFeb 15–Mar 1
EggplantFeb 15–Mar 1
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesDec 17–Dec 31
OnionsDec 3–Dec 24
CarrotsDec 24–Jan 28
LettuceDec 31–Jan 21
BroccoliDec 17–Dec 31
BeetsDec 17–Jan 28
PeasDec 3–Dec 17
CabbageDec 17–Dec 31
RadishesDec 10–Jan 21
Brussels sproutsDec 31–Jan 14
SpinachDec 3–Dec 24
CilantroDec 31–Jan 21
KaleDec 17–Dec 31
Collard greensDec 17–Dec 31
TurnipsDec 17–Dec 31
DillJan 14–Jan 28
CeleryJan 21–Jan 28
CauliflowerDec 31–Jan 14
LeeksDec 31–Jan 14
Swiss chardDec 31–Jan 28
ParsleyDec 31–Jan 21
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsDec 15–Jan 15
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesDec 17–Dec 31
AsparagusDec 17–Dec 31

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FDec 19Jan 14Feb 12Dec 1Dec 22Jan 22
Hard freeze, 28°FDec 13Jan 5Feb 3Dec 11Jan 2Jan 30

Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.

Where these numbers come from

NOAA station Laveen 3 SSE (USC00024829) sits 13.9 miles from the center of Goodyear at 1,135 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.

Questions

When is the last frost in Goodyear, AZ?

The average last frost date in Goodyear is January 14, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after February 12.

When is the first frost in Goodyear?

The first frost in fall usually comes around December 22. One year in ten it arrives before December 1.

How long is the growing season in Goodyear?

About 343 days between the average last and first frost.

When should I plant tomatoes in Goodyear?

Plant tomato seedlings outside from February 15 to March 1. Start seeds indoors six to eight weeks earlier.

Nearby in Arizona

All 30 cities in Arizona