Last frost date in Perris, CA
Expect the last frost in Perris 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
No frost in the next 6 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2252°
- FriOct 2351°
- SatOct 2453°
- SunOct 2555°
- MonOct 2655°
- TueOct 2755°
Planting calendar for Perris
Windows count forward or back from the average frost dates above. Click a crop for dates across California.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Dec 24 | Jan 28 | Feb 27 | Dec 1 | Dec 18 | Jan 24 |
| Hard freeze, 28°F | Dec 12 | Jan 1 | Feb 9 | Dec 9 | Dec 27 | Feb 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 10.1 miles from the center of Perris 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 Perris, CA?
The average last frost date in Perris 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 Perris?
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 Perris?
About 329 days between the average last and first frost.
When should I plant tomatoes in Perris?
Plant tomato seedlings outside from February 15 to March 1. Start seeds indoors six to eight weeks earlier.
Nearby in California
- MenifeeJan 28
- Moreno ValleyJan 27
- Lake ElsinoreJan 28
- WildomarJan 28
- San JacintoJan 31
- HemetJan 31
- RiversideJan 9
- Temescal ValleyJan 28
- French ValleyFeb 2
- MurrietaFeb 2
- BeaumontJan 31
- East HemetJan 10