Last frost date in Carson City, NV

Average last frost
May 4

The average last frost in Carson City is May 4. By May 29 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about October 6, which leaves 152 frost-free days. An early freeze before September 24 happens one year in ten.

Safe after (10% risk)
May 29
Average first frost
Oct 6
Frost-free season
152 days
Hard freeze (28°F) ends
Apr 20
Next 6 nights in Carson City

Hard freeze likely Fri night, low 26°F

National Weather Service forecast, updated Oct 22, 12:24 UTC

  1. ThuOct 2235°possible frost
  2. FriOct 2326°hard freeze
  3. SatOct 2427°hard freeze
  4. SunOct 2530°frost
  5. MonOct 2631°frost
  6. TueOct 2732°frost
JanFebMarAprMayJunJulAugSepOctNovDecLast frost May 4First frost Oct 6152 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND152 frost-free days
Frost risk through the year at Carson City, 2.2 miles from Carson City.

Planting calendar for Carson City

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

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesMay 11–May 25
PumpkinsMay 18–Jun 1
SunflowersMay 4–May 25
CucumbersMay 18–May 25
CornMay 11–May 25
Sweet potatoesMay 25–Jun 8
WatermelonMay 18–Jun 1
Green beansMay 11–Jun 1
ZucchiniMay 11–May 25
OkraMay 25–Jun 8
PeppersMay 18–Jun 1
BasilMay 11–May 25
Butternut squashMay 11–May 25
CantaloupeMay 18–Jun 1
EggplantMay 18–Jun 1
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesApr 6–Apr 20
OnionsMar 23–Apr 13
CarrotsApr 13–May 18
LettuceApr 20–May 11
BroccoliApr 6–Apr 20
BeetsApr 6–May 18
PeasMar 23–Apr 6
CabbageApr 6–Apr 20
RadishesMar 30–May 11
Brussels sproutsApr 20–May 4
SpinachMar 23–Apr 13
CilantroApr 20–May 11
KaleApr 6–Apr 20
Collard greensApr 6–Apr 20
TurnipsApr 6–Apr 20
DillMay 4–May 18
CeleryMay 11–May 18
CauliflowerApr 20–May 4
LeeksApr 20–May 4
Swiss chardApr 20–May 18
ParsleyApr 20–May 11
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsSep 22–Oct 27
GarlicSep 15–Oct 20
Daffodil bulbsSep 8–Oct 20
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesApr 6–Apr 20
AsparagusApr 6–Apr 20

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FApr 20May 4May 29Sep 24Oct 6Oct 20
Hard freeze, 28°FApr 6Apr 20May 9Oct 4Oct 18Nov 1

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 Carson City (USC00261485) sits 2.2 miles from the center of Carson City at 4,761 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 Carson City, NV?

The average last frost date in Carson City is May 4, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 29.

When is the first frost in Carson City?

The first frost in fall usually comes around October 6. One year in ten it arrives before September 24.

How long is the growing season in Carson City?

About 152 days between the average last and first frost.

When should I plant tomatoes in Carson City?

Plant tomato seedlings outside from May 11 to May 25. Start seeds indoors six to eight weeks earlier.

Nearby in Nevada

All 15 cities in Nevada