Last frost date in Bullhead City, AZ

Average last frost
January 4

The average last frost in Bullhead City is January 4. By February 5 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about December 23, which leaves 356 frost-free days. An early freeze before December 1 happens one year in ten.

Safe after (10% risk)
Feb 5
Average first frost
Dec 23
Frost-free season
356 days
Hard freeze (28°F) ends
Dec 26
Next 6 nights in Bullhead City

No frost in the next 6 nights

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

  1. ThuOct 2258°
  2. FriOct 2361°
  3. SatOct 2460°
  4. SunOct 2561°
  5. MonOct 2661°
  6. TueOct 2761°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Jan 4First frost Dec 23356 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND356 frost-free days
Frost risk through the year at Bullhead City, 1.2 miles from Bullhead City.

Planting calendar for Bullhead City

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 7–Dec 21
OnionsNov 23–Dec 14
CarrotsDec 14–Jan 18
LettuceDec 21–Jan 11
BroccoliDec 7–Dec 21
BeetsDec 7–Jan 18
PeasNov 23–Dec 7
CabbageDec 7–Dec 21
RadishesNov 30–Jan 11
Brussels sproutsDec 21–Jan 4
SpinachNov 23–Dec 14
CilantroDec 21–Jan 11
KaleDec 7–Dec 21
Collard greensDec 7–Dec 21
TurnipsDec 7–Dec 21
DillJan 4–Jan 18
CeleryJan 11–Jan 18
CauliflowerDec 21–Jan 4
LeeksDec 21–Jan 4
Swiss chardDec 21–Jan 18
ParsleyDec 21–Jan 11
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsDec 15–Jan 15
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesDec 7–Dec 21
AsparagusDec 7–Dec 21

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FDec 12Jan 4Feb 5Dec 1Dec 23Jan 23
Hard freeze, 28°FDec 7Dec 26Jan 10Dec 7Dec 25Jan 8

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 Bullhead City (USC00021050) sits 1.2 miles from the center of Bullhead City at 531 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 Bullhead City, AZ?

The average last frost date in Bullhead City is January 4, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after February 5.

When is the first frost in Bullhead City?

The first frost in fall usually comes around December 23. One year in ten it arrives before December 1.

How long is the growing season in Bullhead City?

About 356 days between the average last and first frost.

When should I plant tomatoes in Bullhead City?

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

Nearby in Arizona

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