Frost dates for 90621Buena Park, CA
Frost occurs in about 7% of years near Buena Park, based on NOAA 1991-2020 records for the Fullerton Muni Ap, CA station.
Frost occurs in about 7% of years. 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) | Dec 13 · Jan 4 · Feb 8 | Dec 7 · Dec 24 · Jan 20 | 357 days | 63% |
| Frost / freeze (32°F) | — | — | 365 days | 7% |
| Hard freeze (28°F) | — | — | 365 days | 0% |
Where these dates come from
ZIP code 90621 is matched to the NOAA station Fullerton Muni Ap, CA, 1.1 km away, at 96 ft elevation (8 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Fullerton Muni Ap, CA (used) | 96 ft | — | — |
| Anaheim, CA | 235 ft | — | — |
| Long Beach Daugherty Fld, CA | 31 ft | — | — |
| Santa Ana Fire Stn, CA | 135 ft | — | — |
Frost dates near Buena Park
- Buena Park, CA 90624 · last —, first —
- Fullerton, CA 92837 · last —, first —
- La Mirada, CA 90638 · last —, first —
- Anaheim, CA 92850 · last —, first —
- La Habra, CA 90632 · last —, first —
- La Palma, CA 90623 · last —, first —
- Whittier, CA 90604 · last —, first —
- Cerritos, CA 90703 · last —, first —
Frequently asked questions
- When is the last frost in Buena Park, CA?
- Frost occurs in about 7% of years at the nearest NOAA station (Fullerton Muni Ap, CA), so there is no reliable average last frost date.
- When is the first frost in Buena Park, CA?
- Frost occurs in about 7% of years 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.