Frost dates for 33403West Palm Beach, FL
Frost occurs in about 13% of years near West Palm Beach, based on NOAA 1991-2020 records for the Juno Beach, FL station.
Frost occurs in about 13% 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 27 · Feb 18 | Dec 26 · Jan 16 · Feb 11 | 365 days | 36% |
| Frost / freeze (32°F) | Jan 1 · Jan 26 · Feb 15 | Dec 27 · Jan 16 · Feb 12 | 365 days | 13% |
| Hard freeze (28°F) | — | — | 365 days | 1% |
Where these dates come from
ZIP code 33403 is matched to the NOAA station Juno Beach, FL, 6.6 km away, at 5 ft elevation (15 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Juno Beach, FL (used) | 5 ft | Jan 26 | Jan 16 |
| Palm Beach Gardens, FL | 20 ft | Jan 21 | Jan 15 |
| West Palm Beach Intl Ap, FL | 19 ft | — | — |
| Loxahatchee Nwr, FL | 21 ft | Jan 22 | Jan 17 |
Frost dates near West Palm Beach
- West Palm Beach, FL 33404 · last Jan 26, first Jan 16
- North Palm Beach, FL 33408 · last Jan 26, first Jan 16
- Palm Beach Gardens, FL 33410 · last Jan 21, first Jan 15
- Palm Beach, FL 33480 · last —, first —
- Jupiter, FL 33477 · last Jan 26, first Jan 16
- Royal Palm Beach, FL 33421 · last —, first —
- Lake Worth, FL 33461 · last —, first —
- Greenacres, FL 33454 · last —, first —
Frequently asked questions
- When is the last frost in West Palm Beach, FL?
- Frost occurs in about 13% of years at the nearest NOAA station (Juno Beach, FL), so there is no reliable average last frost date.
- When is the first frost in West Palm Beach, FL?
- Frost occurs in about 13% 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.