Frost dates for 92616Irvine, CA
Frost is extremely rare here near Irvine, based on NOAA 1991-2020 records for the Newport Beach Harbor, CA station.
Frost is extremely rare here. Frost-tender plants can usually grow year-round, but cover them if a rare cold snap is forecast.
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) | — | — | 365 days | 5% |
| Frost / freeze (32°F) | — | — | 365 days | 0% |
| Hard freeze (28°F) | — | — | 365 days | 0% |
Where these dates come from
ZIP code 92616 is matched to the NOAA station Newport Beach Harbor, CA, 7 km away, at 10 ft elevation (56 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Newport Beach Harbor, CA (used) | 10 ft | — | — |
| Santa Ana John Wayne Ap, CA | 54 ft | — | — |
| Tustin Irvine Rch, CA | 235 ft | Jan 5 | Dec 25 |
| Santa Ana Fire Stn, CA | 135 ft | — | — |
Frost dates near Irvine
- Irvine, CA 92697 · last —, first —
- Aliso Viejo, CA 92698 · last —, first —
- Newport Beach, CA 92658 · last —, first —
- Newport Coast, CA 92657 · last —, first —
- Corona Del Mar, CA 92625 · last —, first —
- Santa Ana, CA 92707 · last —, first —
- Costa Mesa, CA 92627 · last —, first —
- East Irvine, CA 92650 · last —, first —
Frequently asked questions
- When is the last frost in Irvine, CA?
- Frost is extremely rare here at the nearest NOAA station (Newport Beach Harbor, CA), so there is no reliable average last frost date.
- When is the first frost in Irvine, CA?
- Frost is extremely rare here at the nearest NOAA station.
- 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.