FrostDateByZip

Frost dates for 33890Zolfo Springs, FL

The average last spring frost in Zolfo Springs is February 4 and the average first fall frost is January 8, giving a typical growing season of about 332 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Feb 4

Safer after Mar 5 (1-in-10 risk)

Average first fall frost
Jan 8

Possible by Dec 13 (1-in-10 risk)

Growing season
332 days

First frost typically in 66 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 23 · Feb 22 · Mar 20Nov 27 · Dec 25 · Jan 25301 days99%
Frost / freeze (32°F)Jan 4 · Feb 4 · Mar 5Dec 13 · Jan 8 · Feb 7332 days81%
Hard freeze (28°F)Dec 30 · Jan 28 · Feb 18Dec 24 · Jan 15 · Feb 9365 days39%

Where these dates come from

ZIP code 33890 is matched to the NOAA station Wauchula, FL, 9.4 km away, at 60 ft elevation (15 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Wauchula, FL (used)60 ftFeb 4Jan 8
Avon Park 2 W, FL154 ftJan 28Jan 8
Arcadia, FL25 ftFeb 7Jan 4
Ft Green 12 Wsw, FL112 ftFeb 6Jan 3

Frost dates near Zolfo Springs

Frequently asked questions

When is the last frost in Zolfo Springs, FL?
For ZIP code 33890, the average last spring frost (32°F) is February 4, based on NOAA 1991-2020 climate normals for the Wauchula, FL weather station. There is a 1-in-10 chance of a frost after March 5.
When is the first frost in Zolfo Springs, FL?
The average first fall frost (32°F) is January 8. There is a 1-in-10 chance of frost by December 13, so tender plants are at risk from that point on.
How long is the growing season in 33890?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 332 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.