Frost dates for 33733Saint Petersburg, FL
Frost occurs in about 6% of years near Saint Petersburg, based on NOAA 1991-2020 records for the St Petersburg Ap, FL station.
Frost occurs in about 6% 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 15 · Feb 8 | Dec 29 · Jan 13 · Feb 4 | 365 days | 29% |
| Frost / freeze (32°F) | — | — | 365 days | 6% |
| Hard freeze (28°F) | — | — | 365 days | 0% |
Where these dates come from
ZIP code 33733 is matched to the NOAA station St Petersburg Ap, FL, 5.3 km away, at 8 ft elevation (35 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| St Petersburg Ap, FL (used) | 8 ft | — | — |
| St Petersburg, FL | 8 ft | Jan 17 | Jan 15 |
| St Petersburg Intl Ap, FL | 11 ft | Jan 17 | Jan 14 |
| Tampa Intl Ap, FL | 19 ft | Jan 20 | Jan 12 |
Frost dates near Saint Petersburg
- Saint Petersburg, FL 33730 · last —, first —
- Pinellas Park, FL 33781 · last Jan 17, first Jan 14
- Bay Pines, FL 33744 · last Jan 17, first Jan 14
- Largo, FL 33779 · last Jan 17, first Jan 14
- Seminole, FL 33777 · last Jan 17, first Jan 14
- Clearwater, FL 33762 · last Jan 17, first Jan 14
- Dunedin, FL 34697 · last Jan 17, first Jan 14
- Tampa, FL 33616 · last Jan 20, first Jan 12
Frequently asked questions
- When is the last frost in Saint Petersburg, FL?
- Frost occurs in about 6% of years at the nearest NOAA station (St Petersburg Ap, FL), so there is no reliable average last frost date.
- When is the first frost in Saint Petersburg, FL?
- Frost occurs in about 6% 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.