Last frost date in Wildomar, CA

Average last frost
January 28

Expect the last frost in Wildomar around January 28. Frost after February 27 happens in only one year out of ten. The first fall frost usually arrives about December 18, which leaves 329 frost-free days. An early freeze before December 1 happens one year in ten.

Safe after (10% risk)
Feb 27
Average first frost
Dec 18
Frost-free season
329 days
Hard freeze (28°F) ends
Jan 1
Next 6 nights in Wildomar

No frost in the next 6 nights

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

  1. ThuOct 2252°
  2. FriOct 2351°
  3. SatOct 2454°
  4. SunOct 2556°
  5. MonOct 2656°
  6. TueOct 2756°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Jan 28First frost Dec 18329 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND329 frost-free days
Frost risk through the year at Elsinore, 6.9 miles from Wildomar.

Planting calendar for Wildomar

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
TomatoesFeb 15–Mar 1
PumpkinsFeb 15–Mar 1
SunflowersFeb 15–Mar 8
CucumbersFeb 22–Mar 1
CornFeb 15–Mar 1
Sweet potatoesFeb 18–Mar 4
WatermelonFeb 15–Mar 1
Green beansFeb 15–Mar 8
ZucchiniFeb 15–Mar 1
OkraFeb 18–Mar 4
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 31–Jan 14
OnionsDec 17–Jan 7
CarrotsJan 7–Feb 11
LettuceJan 14–Feb 4
BroccoliDec 31–Jan 14
BeetsDec 31–Feb 11
PeasDec 17–Dec 31
CabbageDec 31–Jan 14
RadishesDec 24–Feb 4
Brussels sproutsJan 14–Jan 28
SpinachDec 17–Jan 7
CilantroJan 14–Feb 4
KaleDec 31–Jan 14
Collard greensDec 31–Jan 14
TurnipsDec 31–Jan 14
DillJan 28–Feb 11
CeleryFeb 4–Feb 11
CauliflowerJan 14–Jan 28
LeeksJan 14–Jan 28
Swiss chardJan 14–Feb 11
ParsleyJan 14–Feb 4
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsDec 15–Jan 15
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesDec 31–Jan 14
AsparagusDec 31–Jan 14

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FDec 24Jan 28Feb 27Dec 1Dec 18Jan 24
Hard freeze, 28°FDec 12Jan 1Feb 9Dec 9Dec 27Feb 3

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 Elsinore (USC00042805) sits 6.9 miles from the center of Wildomar at 1,268 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 Wildomar, CA?

The average last frost date in Wildomar is January 28, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after February 27.

When is the first frost in Wildomar?

The first frost in fall usually comes around December 18. One year in ten it arrives before December 1.

How long is the growing season in Wildomar?

About 329 days between the average last and first frost.

When should I plant tomatoes in Wildomar?

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

Nearby in California

All 348 cities in California