When is the last frost in Chapman Ranch, TX?

For ZIP code 78347, the average last spring frost (32°F) is January 29, based on NOAA 1991-2020 climate normals for the C C Botanical Gardens, TX weather station. There is a 1-in-10 chance of a frost after March 1.

When is the first frost in Chapman Ranch, TX?

The average first fall frost (32°F) is December 24. There is a 1-in-10 chance of frost by December 1, so tender plants are at risk from that point on.

How long is the growing season in 78347?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 337 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 78347Chapman Ranch, TX

The average last spring frost in Chapman Ranch is January 29 and the average first fall frost is December 24, giving a typical growing season of about 337 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Jan 29
Average first fall frost: Dec 24
Growing season: 337 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 11 · Feb 14 · Mar 10	Nov 16 · Dec 9 · Jan 8	303 days	99%
Frost / freeze (32°F)	Dec 15 · Jan 29 · Mar 1	Dec 1 · Dec 24 · Feb 5	337 days	80%
Hard freeze (28°F)	Dec 14 · Jan 10 · Feb 16	Dec 9 · Jan 1 · Feb 8	365 days	37%

Where these dates come from

ZIP code 78347 is matched to the NOAA station C C Botanical Gardens, TX, 9.3 km away, at 16 ft elevation (7 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
C C Botanical Gardens, TX (used)	16 ft	Jan 29	Dec 24
Corpus Christi Cabaniss Fld, TX	30 ft	Jan 15	Dec 30
Corpus Christi Nas, TX	18 ft	Jan 14	Jan 8
Corpus Christi Nws, TX	44 ft	Jan 31	Dec 22

Frost dates near Chapman Ranch

Corpus Christi, TX 78413 · last Jan 29, first Dec 24
Driscoll, TX 78351 · last Jan 26, first Dec 24
Bishop, TX 78343 · last Jan 25, first Dec 20
Robstown, TX 78380 · last Jan 26, first Dec 24
Portland, TX 78374 · last Jan 28, first Dec 21
Ingleside, TX 78362 · last Jan 16, first Jan 5
Gregory, TX 78359 · last Jan 16, first Jan 5
Banquete, TX 78339 · last Jan 26, first Dec 24

Frequently asked questions

When is the last frost in Chapman Ranch, TX?: For ZIP code 78347, the average last spring frost (32°F) is January 29, based on NOAA 1991-2020 climate normals for the C C Botanical Gardens, TX weather station. There is a 1-in-10 chance of a frost after March 1.
When is the first frost in Chapman Ranch, TX?: The average first fall frost (32°F) is December 24. There is a 1-in-10 chance of frost by December 1, so tender plants are at risk from that point on.
How long is the growing season in 78347?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 337 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.