When is the last frost in Fort Pierce, FL?

Frost occurs in about 33% of years at the nearest NOAA station (Ft Pierce, FL), so there is no reliable average last frost date.

When is the first frost in Fort Pierce, FL?

Frost occurs in about 33% 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.

Frost dates for 34979Fort Pierce, FL

Frost occurs in about 33% of years near Fort Pierce, based on NOAA 1991-2020 records for the Ft Pierce, FL station.

Frost occurs in about 33% 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.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
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 29 · Jan 31 · Mar 7	Dec 14 · Jan 8 · Feb 13	344 days	69%
Frost / freeze (32°F)	Dec 26 · Jan 22 · Feb 27	Dec 20 · Jan 12 · Feb 12	365 days	33%
Hard freeze (28°F)	—	—	365 days	8%

Where these dates come from

ZIP code 34979 is matched to the NOAA station Ft Pierce, FL, 8.8 km away, at 25 ft elevation (5 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Ft Pierce, FL (used)	25 ft	Jan 22	Jan 12
Ft Pierce St Lucie Co Intl Ap, FL	24 ft	Jan 24	Jan 14
Nettles Is, FL	10 ft	—	—
Stuart, FL	13 ft	Jan 23	Jan 18

Frost dates near Fort Pierce

Fort Pierce, FL 34948 · last Jan 22, first Jan 12
Port Saint Lucie, FL 34986 · last Jan 22, first Jan 12
Vero Beach, FL 32962 · last Jan 18, first Jan 13
Jensen Beach, FL 34958 · last Jan 23, first Jan 18
Stuart, FL 34994 · last Jan 23, first Jan 18
Palm City, FL 34990 · last Jan 23, first Jan 18
Port Salerno, FL 34992 · last Jan 23, first Jan 18
Indiantown, FL 34956 · last Jan 26, first Jan 15

Frequently asked questions

When is the last frost in Fort Pierce, FL?: Frost occurs in about 33% of years at the nearest NOAA station (Ft Pierce, FL), so there is no reliable average last frost date.
When is the first frost in Fort Pierce, FL?: Frost occurs in about 33% 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.