FrostDateByZip

Frost dates for 33707Saint Petersburg, FL

Frost occurs in about 11% of years near Saint Petersburg, based on NOAA 1991-2020 records for the St Petersburg, 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.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)Dec 28 · Jan 22 · Feb 14Dec 20 · Jan 13 · Feb 8365 days41%
Frost / freeze (32°F)Dec 31 · Jan 17 · Feb 5Dec 23 · Jan 15 · Feb 5365 days11%
Hard freeze (28°F)——365 days1%

Where these dates come from

ZIP code 33707 is matched to the NOAA station St Petersburg, FL, 9.4 km away, at 8 ft elevation (5 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
St Petersburg, FL (used)8 ftJan 17Jan 15
St Petersburg Ap, FL8 ft——
St Petersburg Intl Ap, FL11 ftJan 17Jan 14
Tampa Intl Ap, FL19 ftJan 20Jan 12

Frost dates near Saint Petersburg

Frequently asked questions

When is the last frost in Saint Petersburg, FL?
Frost occurs in about 11% of years at the nearest NOAA station (St Petersburg, FL), so there is no reliable average last frost date.
When is the first frost in Saint Petersburg, 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.