When is the last frost in Jacksonville Beach, FL?

For ZIP code 32250, the average last spring frost (32°F) is January 31, based on NOAA 1991-2020 climate normals for the Jacksonville Beach, FL weather station. There is a 1-in-10 chance of a frost after March 2.

When is the first frost in Jacksonville Beach, FL?

The average first fall frost (32°F) is January 10. There is a 1-in-10 chance of frost by December 16, so tender plants are at risk from that point on.

How long is the growing season in 32250?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 345 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 32250Jacksonville Beach, FL

The average last spring frost in Jacksonville Beach is January 31 and the average first fall frost is January 10, giving a typical growing season of about 345 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Jan 31
Average first fall frost: Jan 10
Growing season: 345 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 10 · Feb 9 · Mar 10	Dec 2 · Jan 1 · Jan 29	318 days	94%
Frost / freeze (32°F)	Jan 1 · Jan 31 · Mar 2	Dec 16 · Jan 10 · Feb 14	345 days	67%
Hard freeze (28°F)	Dec 27 · Jan 24 · Feb 16	Dec 22 · Jan 16 · Feb 9	365 days	28%

Where these dates come from

ZIP code 32250 is matched to the NOAA station Jacksonville Beach, FL, 2.4 km away, at 10 ft elevation (10 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Jacksonville Beach, FL (used)	10 ft	Jan 31	Jan 10
Jacksonville Craig Muni Ap, FL	41 ft	Feb 9	Dec 31
Mayport Pilot Stn, FL	16 ft	Feb 1	Jan 5
Jacksonville Nas, FL	20 ft	Feb 1	Jan 5

Frost dates near Jacksonville Beach

Jacksonville Beach, FL 32240 · last Jan 31, first Jan 10
Jacksonville, FL 32224 · last Jan 31, first Jan 10
Neptune Beach, FL 32266 · last Jan 31, first Jan 10
Ponte Vedra Beach, FL 32004 · last Jan 31, first Jan 10
Atlantic Beach, FL 32233 · last Feb 1, first Jan 5
Ponte Vedra, FL 32081 · last Jan 31, first Jan 10
Saint Johns, FL 32259 · last Feb 1, first Jan 5
Saint Augustine, FL 32095 · last Feb 1, first Jan 5

Frequently asked questions

When is the last frost in Jacksonville Beach, FL?: For ZIP code 32250, the average last spring frost (32°F) is January 31, based on NOAA 1991-2020 climate normals for the Jacksonville Beach, FL weather station. There is a 1-in-10 chance of a frost after March 2.
When is the first frost in Jacksonville Beach, FL?: The average first fall frost (32°F) is January 10. There is a 1-in-10 chance of frost by December 16, so tender plants are at risk from that point on.
How long is the growing season in 32250?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 345 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.