When is the last frost in Fulton, TX?

For ZIP code 78358, the average last spring frost (32°F) is January 23, based on NOAA 1991-2020 climate normals for the Rockport Aransas Co Ap, TX weather station. There is a 1-in-10 chance of a frost after February 27.

When is the first frost in Fulton, TX?

The average first fall frost (32°F) is January 1. There is a 1-in-10 chance of frost by December 4, so tender plants are at risk from that point on.

How long is the growing season in 78358?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 347 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 78358Fulton, TX

The average last spring frost in Fulton is January 23 and the average first fall frost is January 1, giving a typical growing season of about 347 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Jan 23
Average first fall frost: Jan 1
Growing season: 347 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 4 · Feb 6 · Mar 6	Nov 20 · Dec 13 · Jan 13	312 days	97%
Frost / freeze (32°F)	Dec 19 · Jan 23 · Feb 27	Dec 4 · Jan 1 · Feb 3	347 days	70%
Hard freeze (28°F)	Dec 13 · Jan 8 · Feb 19	Dec 10 · Jan 4 · Feb 6	365 days	30%

Where these dates come from

ZIP code 78358 is matched to the NOAA station Rockport Aransas Co Ap, TX, 2.5 km away, at 22 ft elevation (12 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Rockport Aransas Co Ap, TX (used)	22 ft	Jan 23	Jan 1
Rockport, TX	8 ft	Jan 31	Dec 25
Port Aransas, TX	12 ft	Jan 16	Jan 5
Port Aransas 32 Nne, TX	15 ft	Feb 20	Dec 2

Frost dates near Fulton

Rockport, TX 78382 · last Jan 31, first Dec 25
Bayside, TX 78340 · last Jan 23, first Jan 1
Aransas Pass, TX 78336 · last Jan 16, first Jan 5
Ingleside, TX 78362 · last Jan 16, first Jan 5
Gregory, TX 78359 · last Jan 16, first Jan 5
Woodsboro, TX 78393 · last Feb 15, first Dec 5
Portland, TX 78374 · last Jan 28, first Dec 21
Port Aransas, TX 78373 · last Jan 16, first Jan 5

Frequently asked questions

When is the last frost in Fulton, TX?: For ZIP code 78358, the average last spring frost (32°F) is January 23, based on NOAA 1991-2020 climate normals for the Rockport Aransas Co Ap, TX weather station. There is a 1-in-10 chance of a frost after February 27.
When is the first frost in Fulton, TX?: The average first fall frost (32°F) is January 1. There is a 1-in-10 chance of frost by December 4, so tender plants are at risk from that point on.
How long is the growing season in 78358?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 347 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.