FrostDateByZip

Frost dates for 32204Jacksonville, FL

The average last spring frost in Jacksonville is February 1 and the average first fall frost is January 5, giving a typical growing season of about 330 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Feb 1

Safer after Mar 3 (1-in-10 risk)

Average first fall frost
Jan 5

Possible by Dec 3 (1-in-10 risk)

Growing season
330 days

First frost typically in 63 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 20 · Feb 18 · Mar 15Nov 20 · Dec 17 · Jan 22302 days99%
Frost / freeze (32°F)Dec 31 · Feb 1 · Mar 3Dec 3 · Jan 5 · Feb 6330 days80%
Hard freeze (28°F)Dec 28 · Jan 22 · Feb 19Dec 19 · Jan 14 · Feb 12365 days43%

Where these dates come from

ZIP code 32204 is matched to the NOAA station Jacksonville Nas, FL, 9.7 km away, at 20 ft elevation (4 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Jacksonville Nas, FL (used)20 ftFeb 1Jan 5
Jacksonville Craig Muni Ap, FL41 ftFeb 9Dec 31
Jacksonville, FL33 ftFeb 25Dec 7
Jackson Whitehouse Nolf, FL99 ftFeb 28Dec 3

Frost dates near Jacksonville

Frequently asked questions

When is the last frost in Jacksonville, FL?
For ZIP code 32204, the average last spring frost (32°F) is February 1, based on NOAA 1991-2020 climate normals for the Jacksonville Nas, FL weather station. There is a 1-in-10 chance of a frost after March 3.
When is the first frost in Jacksonville, FL?
The average first fall frost (32°F) is January 5. There is a 1-in-10 chance of frost by December 3, so tender plants are at risk from that point on.
How long is the growing season in 32204?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 330 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.