Last frost date in French Valley, CA
The average last frost in French Valley is February 2. By February 24 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about January 30, which leaves 365 frost-free days. An early freeze before December 23 happens one year in ten.
- Safe after (10% risk)
- Feb 24
- Average first frost
- Jan 30
- Frost-free season
- 365 days
- Hard freeze (28°F) ends
- rare
No frost in the next 6 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2253°
- FriOct 2351°
- SatOct 2453°
- SunOct 2555°
- MonOct 2655°
- TueOct 2755°
Planting calendar for French Valley
Windows count forward or back from the average frost dates above. Click a crop for dates across California.
TomatoesFeb 15–Mar 1
PumpkinsFeb 16–Mar 2
SunflowersFeb 15–Mar 8
CucumbersFeb 22–Mar 1
CornFeb 15–Mar 1
Sweet potatoesFeb 23–Mar 9
WatermelonFeb 16–Mar 2
Green beansFeb 15–Mar 8
ZucchiniFeb 15–Mar 1
OkraFeb 23–Mar 9
PeppersFeb 16–Mar 2
BasilFeb 15–Mar 1
Butternut squashFeb 15–Mar 1
CantaloupeFeb 16–Mar 2
EggplantFeb 16–Mar 2
PotatoesJan 5–Jan 19
OnionsDec 22–Jan 12
CarrotsJan 12–Feb 16
LettuceJan 19–Feb 9
BroccoliJan 5–Jan 19
BeetsJan 5–Feb 16
PeasDec 22–Jan 5
CabbageJan 5–Jan 19
RadishesDec 29–Feb 9
Brussels sproutsJan 19–Feb 2
SpinachDec 22–Jan 12
CilantroJan 19–Feb 9
KaleJan 5–Jan 19
Collard greensJan 5–Jan 19
TurnipsJan 5–Jan 19
DillFeb 2–Feb 16
CeleryFeb 9–Feb 16
CauliflowerJan 19–Feb 2
LeeksJan 19–Feb 2
Swiss chardJan 19–Feb 16
ParsleyJan 19–Feb 9
Tulip bulbsDec 15–Jan 15
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
StrawberriesJan 5–Jan 19
AsparagusJan 5–Jan 19Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Dec 26 | Feb 2 | Feb 24 | Dec 23 | Jan 30 | Feb 24 |
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 Fallbrook 5 NE (USW00053151) sits 12.1 miles from the center of French Valley at 1,140 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 French Valley, CA?
The average last frost date in French Valley is February 2, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after February 24.
When is the first frost in French Valley?
The first frost in fall usually comes around January 30. One year in ten it arrives before December 23.
How long is the growing season in French Valley?
About 365 days between the average last and first frost.
When should I plant tomatoes in French Valley?
Plant tomato seedlings outside from February 15 to March 1. Start seeds indoors six to eight weeks earlier.
Nearby in California
- MurrietaFeb 2
- TemeculaFeb 2
- MenifeeJan 28
- WildomarJan 28
- HemetJan 31
- East HemetJan 10
- Lake ElsinoreJan 28
- PerrisJan 28
- San JacintoJan 31
- FallbrookFeb 2
- BeaumontJan 31
- Moreno ValleyJan 27