Frost dates for 33426Boynton Beach, FL
Frost occurs in about 11% of years near Boynton Beach, based on NOAA 1991-2020 records for the Loxahatchee Nwr, FL station.
Frost occurs in about 11% 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 3 · Jan 26 · Feb 22 | Dec 28 · Jan 16 · Feb 13 | 365 days | 37% |
| Frost / freeze (32°F) | Dec 31 · Jan 22 · Feb 7 | Dec 31 · Jan 17 · Feb 5 | 365 days | 11% |
| Hard freeze (28°F) | — | — | 365 days | 1% |
Where these dates come from
ZIP code 33426 is matched to the NOAA station Loxahatchee Nwr, FL, 13.4 km away, at 21 ft elevation (11 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Loxahatchee Nwr, FL (used) | 21 ft | Jan 22 | Jan 17 |
| West Palm Beach Intl Ap, FL | 19 ft | — | — |
| Pompano Beach Airpark, FL | 21 ft | — | — |
| Coral Springs, FL | 10 ft | — | — |
Frost dates near Boynton Beach
- Boynton Beach, FL 33424 · last Jan 22, first Jan 17
- Delray Beach, FL 33448 · last Jan 22, first Jan 17
- Lake Worth, FL 33462 · last —, first —
- Boca Raton, FL 33487 · last Jan 22, first Jan 17
- Greenacres, FL 33454 · last —, first —
- West Palm Beach, FL 33406 · last —, first —
- Deerfield Beach, FL 33443 · last —, first —
- Wellington, FL 33414 · last —, first —
Frequently asked questions
- When is the last frost in Boynton Beach, FL?
- Frost occurs in about 11% of years at the nearest NOAA station (Loxahatchee Nwr, FL), so there is no reliable average last frost date.
- When is the first frost in Boynton Beach, FL?
- Frost occurs in about 11% 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.