Frost dates for 92084Vista, CA
Frost occurs in about 35% of years near Vista, based on NOAA 1991-2020 records for the Vista, CA station.
Frost occurs in about 35% 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 27 · Feb 16 · Apr 6 | Dec 4 · Dec 25 · Feb 9 | 315 days | 89% |
| Frost / freeze (32°F) | Dec 20 · Jan 30 · Mar 16 | Dec 14 · Jan 7 · Mar 14 | 365 days | 35% |
| Hard freeze (28°F) | Dec 14 · Dec 30 · Mar 16 | Dec 13 · Dec 30 · Mar 16 | 365 days | 10% |
Where these dates come from
ZIP code 92084 is matched to the NOAA station Vista, CA, 2.6 km away, at 430 ft elevation (62 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Vista, CA (used) | 430 ft | Jan 30 | Jan 7 |
| Carlsbad Palomar Ap, CA | 328 ft | — | — |
| Oceanside Muni Ap, CA | 28 ft | Jan 23 | Dec 11 |
| Camp Pendleton Mcas, CA | 75 ft | Feb 16 | Dec 8 |
Frost dates near Vista
- Vista, CA 92085 · last Jan 30, first Jan 7
- Oceanside, CA 92056 · last Jan 30, first Jan 7
- Carlsbad, CA 92010 · last —, first —
- San Marcos, CA 92069 · last Jan 2, first Dec 30
- San Luis Rey, CA 92068 · last Feb 16, first Dec 8
- Bonsall, CA 92003 · last Jan 30, first Jan 7
- Escondido, CA 92026 · last Jan 2, first Dec 30
- Camp Pendleton, CA 92055 · last —, first —
Frequently asked questions
- When is the last frost in Vista, CA?
- Frost occurs in about 35% of years at the nearest NOAA station (Vista, CA), so there is no reliable average last frost date.
- When is the first frost in Vista, CA?
- Frost occurs in about 35% 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.