Frost dates for 92548Homeland, CA
The average last spring frost in Homeland is January 31 and the average first fall frost is December 10, giving a typical growing season of about 315 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Jan 31
- Average first fall frost
- Dec 10
- Growing season
- 315 days
Safer after Feb 28 (1-in-10 risk)
Possible by Nov 22 (1-in-10 risk)
First frost typically in 39 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Feb 6 · Mar 5 · Apr 8 | Nov 5 · Nov 24 · Dec 12 | 260 days | 100% |
| Frost / freeze (32°F) | Dec 31 · Jan 31 · Feb 28 | Nov 22 · Dec 10 · Jan 6 | 315 days | 97% |
| Hard freeze (28°F) | Dec 11 · Jan 3 · Jan 29 | Dec 2 · Dec 21 · Jan 15 | 359 days | 59% |
Where these dates come from
ZIP code 92548 is matched to the NOAA station San Jacinto, CA, 13.8 km away, at 1,525 ft elevation (109 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| San Jacinto, CA (used) | 1,525 ft | Jan 31 | Dec 10 |
| Hemet, CA | 1,811 ft | Jan 10 | Dec 23 |
| Elsinore, CA | 1,268 ft | Jan 28 | Dec 18 |
| Redlands, CA | 1,410 ft | Jan 27 | Dec 19 |
Frost dates near Homeland
- Sun City, CA 92585 · last Jan 31, first Dec 10
- Nuevo, CA 92567 · last Jan 31, first Dec 10
- Hemet, CA 92545 · last Jan 31, first Dec 10
- Menifee, CA 92584 · last Jan 28, first Dec 18
- Perris, CA 92572 · last Jan 28, first Dec 18
- San Jacinto, CA 92582 · last Jan 31, first Dec 10
- Quail Valley, CA 92587 · last Jan 28, first Dec 18
- Winchester, CA 92596 · last Jan 31, first Dec 10
Frequently asked questions
- When is the last frost in Homeland, CA?
- For ZIP code 92548, the average last spring frost (32°F) is January 31, based on NOAA 1991-2020 climate normals for the San Jacinto, CA weather station. There is a 1-in-10 chance of a frost after February 28.
- When is the first frost in Homeland, CA?
- The average first fall frost (32°F) is December 10. There is a 1-in-10 chance of frost by November 22, so tender plants are at risk from that point on.
- How long is the growing season in 92548?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 315 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.