When is the last frost in Jacksonville, FL?

For ZIP code 32247, 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 32247?

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.

Frost dates for 32247Jacksonville, 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
Average first fall frost: Jan 5
Growing season: 330 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.
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)	Jan 20 · Feb 18 · Mar 15	Nov 20 · Dec 17 · Jan 22	302 days	99%
Frost / freeze (32°F)	Dec 31 · Feb 1 · Mar 3	Dec 3 · Jan 5 · Feb 6	330 days	80%
Hard freeze (28°F)	Dec 28 · Jan 22 · Feb 19	Dec 19 · Jan 14 · Feb 12	365 days	43%

Where these dates come from

ZIP code 32247 is matched to the NOAA station Jacksonville Nas, FL, 12.5 km away, at 20 ft elevation (3 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Jacksonville Nas, FL (used)	20 ft	Feb 1	Jan 5
Jacksonville, FL	33 ft	Feb 25	Dec 7
Jacksonville Craig Muni Ap, FL	41 ft	Feb 9	Dec 31
Jackson Whitehouse Nolf, FL	99 ft	Feb 28	Dec 3

Frost dates near Jacksonville

Jacksonville, FL 32214 · last Feb 1, first Jan 5
Orange Park, FL 32067 · last Feb 1, first Jan 5
Atlantic Beach, FL 32233 · last Feb 1, first Jan 5
Callahan, FL 32011 · last Feb 25, first Dec 7
Jacksonville Beach, FL 32250 · last Jan 31, first Jan 10
Fleming Island, FL 32006 · last Feb 1, first Jan 5
Neptune Beach, FL 32266 · last Jan 31, first Jan 10
Doctors Inlet, FL 32030 · last Feb 1, first Jan 5

Frequently asked questions

When is the last frost in Jacksonville, FL?: For ZIP code 32247, 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 32247?: 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.