FrostDateByZip

Frost dates for 33563Plant City, FL

The average last spring frost in Plant City is January 30 and the average first fall frost is January 6, giving a typical growing season of about 335 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Jan 30

Safer after Mar 2 (1-in-10 risk)

Average first fall frost
Jan 6

Possible by Dec 8 (1-in-10 risk)

Growing season
335 days

First frost typically in 64 days

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)Jan 17 · Feb 16 · Mar 17Nov 27 · Dec 25 · Jan 22303 days98%
Frost / freeze (32°F)Dec 31 · Jan 30 · Mar 2Dec 8 · Jan 6 · Feb 5335 days81%
Hard freeze (28°F)Dec 29 · Jan 20 · Feb 10Dec 19 · Jan 11 · Feb 4365 days40%

Where these dates come from

ZIP code 33563 is matched to the NOAA station Plant City, FL, 1 km away, at 110 ft elevation (8 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Plant City, FL (used)110 ftJan 30Jan 6
Lakeland 2, FL139 ftJan 26Jan 9
Bartow 1Se, FL111 ftJan 24Jan 7
Winter Haven Gilbert Ap, FL146 ftJan 15Jan 10

Frost dates near Plant City

Frequently asked questions

When is the last frost in Plant City, FL?
For ZIP code 33563, the average last spring frost (32°F) is January 30, based on NOAA 1991-2020 climate normals for the Plant City, FL weather station. There is a 1-in-10 chance of a frost after March 2.
When is the first frost in Plant City, FL?
The average first fall frost (32°F) is January 6. There is a 1-in-10 chance of frost by December 8, so tender plants are at risk from that point on.
How long is the growing season in 33563?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 335 days long.
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.