Frost dates for 33778Largo, FL
Frost occurs in about 23% of years near Largo, based on NOAA 1991-2020 records for the St Petersburg Intl Ap, FL station.
Frost occurs in about 23% 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) | Jan 1 · Jan 23 · Feb 17 | Dec 22 · Jan 12 · Feb 6 | 353 days | 63% |
| Frost / freeze (32°F) | Jan 1 · Jan 17 · Feb 6 | Dec 27 · Jan 14 · Feb 4 | 365 days | 23% |
| Hard freeze (28°F) | — | — | 365 days | 3% |
Where these dates come from
ZIP code 33778 is matched to the NOAA station St Petersburg Intl Ap, FL, 11.7 km away, at 11 ft elevation (54 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| St Petersburg Intl Ap, FL (used) | 11 ft | Jan 17 | Jan 14 |
| St Petersburg Ap, FL | 8 ft | — | — |
| St Petersburg, FL | 8 ft | Jan 17 | Jan 15 |
| Tampa Intl Ap, FL | 19 ft | Jan 20 | Jan 12 |
Frost dates near Largo
- Largo, FL 33774 · last Jan 17, first Jan 14
- Indian Rocks Beach, FL 33785 · last Jan 17, first Jan 14
- Seminole, FL 33772 · last Jan 17, first Jan 14
- Belleair Beach, FL 33786 · last Jan 17, first Jan 14
- Clearwater, FL 33756 · last Jan 17, first Jan 14
- Saint Petersburg, FL 33731 · last Jan 17, first Jan 14
- Pinellas Park, FL 33780 · last Jan 17, first Jan 14
- Dunedin, FL 34697 · last Jan 17, first Jan 14
Frequently asked questions
- When is the last frost in Largo, FL?
- Frost occurs in about 23% of years at the nearest NOAA station (St Petersburg Intl Ap, FL), so there is no reliable average last frost date.
- When is the first frost in Largo, FL?
- Frost occurs in about 23% 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.