Last frost date in Moorpark, CA

Average last frost
December 31

Expect the last frost in Moorpark around December 31. Frost after February 2 happens in only one year out of ten. The first fall frost usually arrives about December 28, which leaves 365 frost-free days. An early freeze before December 7 happens one year in ten.

Safe after (10% risk)
Feb 2
Average first frost
Dec 28
Frost-free season
365 days
Hard freeze (28°F) ends
rare
Next 7 nights in Moorpark

No frost in the next 7 nights

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

  1. WedOct 2152°
  2. ThuOct 2250°
  3. FriOct 2350°
  4. SatOct 2453°
  5. SunOct 2554°
  6. MonOct 2654°
  7. TueOct 2754°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Dec 31First frost Dec 28365 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND365 frost-free days
Frost risk through the year at Camarillo Airport, 12.7 miles from Moorpark.

Planting calendar for Moorpark

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

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesJan 7–Jan 21
PumpkinsJan 14–Jan 28
SunflowersDec 31–Jan 21
CucumbersJan 14–Jan 21
CornJan 7–Jan 21
Sweet potatoesJan 21–Feb 4
WatermelonJan 14–Jan 28
Green beansJan 7–Jan 28
ZucchiniJan 7–Jan 21
OkraJan 21–Feb 4
PeppersJan 14–Jan 28
BasilJan 7–Jan 21
Butternut squashJan 7–Jan 21
CantaloupeJan 14–Jan 28
EggplantJan 14–Jan 28
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesDec 3–Dec 17
OnionsNov 19–Dec 10
CarrotsDec 10–Jan 14
LettuceDec 17–Jan 7
BroccoliDec 3–Dec 17
BeetsDec 3–Jan 14
PeasNov 19–Dec 3
CabbageDec 3–Dec 17
RadishesNov 26–Jan 7
Brussels sproutsDec 17–Dec 31
SpinachNov 19–Dec 10
CilantroDec 17–Jan 7
KaleDec 3–Dec 17
Collard greensDec 3–Dec 17
TurnipsDec 3–Dec 17
DillDec 31–Jan 14
CeleryJan 7–Jan 14
CauliflowerDec 17–Dec 31
LeeksDec 17–Dec 31
Swiss chardDec 17–Jan 14
ParsleyDec 17–Jan 7
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsDec 15–Jan 15
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesDec 3–Dec 17
AsparagusDec 3–Dec 17

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FDec 11Dec 31Feb 2Dec 7Dec 28Jan 29

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 Camarillo Airport (USW00023136) sits 12.7 miles from the center of Moorpark at 77 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 Moorpark, CA?

The average last frost date in Moorpark is December 31, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after February 2.

When is the first frost in Moorpark?

The first frost in fall usually comes around December 28. One year in ten it arrives before December 7.

How long is the growing season in Moorpark?

About 365 days between the average last and first frost.

When should I plant tomatoes in Moorpark?

Plant tomato seedlings outside from January 7 to January 21. Start seeds indoors six to eight weeks earlier.

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