When is the last frost in Corpus Christi, TX?

For ZIP code 78403, the average last spring frost (32°F) is January 28, based on NOAA 1991-2020 climate normals for the Corpus Christi, TX weather station. There is a 1-in-10 chance of a frost after February 28.

When is the first frost in Corpus Christi, TX?

The average first fall frost (32°F) is December 21. There is a 1-in-10 chance of frost by November 25, so tender plants are at risk from that point on.

How long is the growing season in 78403?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 331 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 78403Corpus Christi, TX

The average last spring frost in Corpus Christi is January 28 and the average first fall frost is December 21, giving a typical growing season of about 331 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Jan 28
Average first fall frost: Dec 21
Growing season: 331 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 19 · Feb 16 · Mar 11	Nov 13 · Dec 5 · Jan 3	294 days	100%
Frost / freeze (32°F)	Dec 16 · Jan 28 · Feb 28	Nov 25 · Dec 21 · Jan 26	331 days	89%
Hard freeze (28°F)	Dec 11 · Jan 8 · Feb 16	Dec 5 · Dec 30 · Feb 4	363 days	52%

Where these dates come from

ZIP code 78403 is matched to the NOAA station Corpus Christi, TX, 4.7 km away, at 45 ft elevation (6 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Corpus Christi, TX (used)	45 ft	Jan 28	Dec 21
Corpus Christi Nws, TX	44 ft	Jan 31	Dec 22
Corpus Christi Cabaniss Fld, TX	30 ft	Jan 15	Dec 30
C C Botanical Gardens, TX	16 ft	Jan 29	Dec 24

Frost dates near Corpus Christi

Corpus Christi, TX 78426 · last Jan 28, first Dec 21
Portland, TX 78374 · last Jan 28, first Dec 21
Chapman Ranch, TX 78347 · last Jan 29, first Dec 24
Odem, TX 78370 · last Feb 1, first Dec 17
Taft, TX 78390 · last Feb 24, first Dec 1
Robstown, TX 78380 · last Jan 26, first Dec 24
Gregory, TX 78359 · last Jan 16, first Jan 5
Ingleside, TX 78362 · last Jan 16, first Jan 5

Frequently asked questions

When is the last frost in Corpus Christi, TX?: For ZIP code 78403, the average last spring frost (32°F) is January 28, based on NOAA 1991-2020 climate normals for the Corpus Christi, TX weather station. There is a 1-in-10 chance of a frost after February 28.
When is the first frost in Corpus Christi, TX?: The average first fall frost (32°F) is December 21. There is a 1-in-10 chance of frost by November 25, so tender plants are at risk from that point on.
How long is the growing season in 78403?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 331 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.