Frost dates for 92663Newport Beach, CA
Frost is extremely rare here near Newport Beach, 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 92663 is matched to the NOAA station Newport Beach Harbor, CA, 4.9 km away, at 10 ft elevation (0 ft higher 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 | — | — |
| Santa Ana Fire Stn, CA | 135 ft | — | — |
| Laguna Beach, CA | 44 ft | Jan 6 | Jan 2 |
Frost dates near Newport Beach
- Newport Beach, CA 92659 · last —, first —
- Costa Mesa, CA 92628 · last —, first —
- Huntington Beach, CA 92615 · last —, first —
- Corona Del Mar, CA 92625 · last —, first —
- Irvine, CA 92617 · last —, first —
- Newport Coast, CA 92657 · last —, first —
- Fountain Valley, CA 92708 · last —, first —
- Aliso Viejo, CA 92698 · last —, first —
Frequently asked questions
- When is the last frost in Newport Beach, 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 Newport Beach, 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.