Last frost date in Kingman, AZ

Average last frost
April 2

Expect the last frost in Kingman around April 2. Frost after April 21 happens in only one year out of ten. The first fall frost usually arrives about November 11, which leaves 220 frost-free days. An early freeze before October 26 happens one year in ten.

Safe after (10% risk)
Apr 21
Average first frost
Nov 11
Frost-free season
220 days
Hard freeze (28°F) ends
Mar 6
Next 6 nights in Kingman

No frost in the next 6 nights

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

  1. ThuOct 2248°
  2. FriOct 2348°
  3. SatOct 2448°
  4. SunOct 2550°
  5. MonOct 2650°
  6. TueOct 2751°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Apr 2First frost Nov 11220 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND220 frost-free days
Frost risk through the year at Kingman Mohave County Airport, 5.2 miles from Kingman.

Planting calendar for Kingman

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
TomatoesApr 9–Apr 23
PumpkinsApr 16–Apr 30
SunflowersApr 2–Apr 23
CucumbersApr 16–Apr 23
CornApr 9–Apr 23
Sweet potatoesApr 23–May 7
WatermelonApr 16–Apr 30
Green beansApr 9–Apr 30
ZucchiniApr 9–Apr 23
OkraApr 23–May 7
PeppersApr 16–Apr 30
BasilApr 9–Apr 23
Butternut squashApr 9–Apr 23
CantaloupeApr 16–Apr 30
EggplantApr 16–Apr 30
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesMar 5–Mar 19
OnionsFeb 19–Mar 12
CarrotsMar 12–Apr 16
LettuceMar 19–Apr 9
BroccoliMar 5–Mar 19
BeetsMar 5–Apr 16
PeasFeb 19–Mar 5
CabbageMar 5–Mar 19
RadishesFeb 26–Apr 9
Brussels sproutsMar 19–Apr 2
SpinachFeb 19–Mar 12
CilantroMar 19–Apr 9
KaleMar 5–Mar 19
Collard greensMar 5–Mar 19
TurnipsMar 5–Mar 19
DillApr 2–Apr 16
CeleryApr 9–Apr 16
CauliflowerMar 19–Apr 2
LeeksMar 19–Apr 2
Swiss chardMar 19–Apr 16
ParsleyMar 19–Apr 9
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsOct 28–Dec 2
GarlicOct 21–Nov 25
Daffodil bulbsOct 14–Nov 25
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesMar 5–Mar 19
AsparagusMar 5–Mar 19

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FMar 8Apr 2Apr 21Oct 26Nov 11Nov 24
Hard freeze, 28°FFeb 10Mar 6Apr 5Nov 6Nov 22Dec 7

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 Kingman Mohave County Airport (USW00093167) sits 5.2 miles from the center of Kingman at 3,420 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 Kingman, AZ?

The average last frost date in Kingman is April 2, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 21.

When is the first frost in Kingman?

The first frost in fall usually comes around November 11. One year in ten it arrives before October 26.

How long is the growing season in Kingman?

About 220 days between the average last and first frost.

When should I plant tomatoes in Kingman?

Plant tomato seedlings outside from April 9 to April 23. Start seeds indoors six to eight weeks earlier.

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