When is the last frost in Austwell, TX?

For ZIP code 77950, the average last spring frost (32°F) is February 7, based on NOAA 1991-2020 climate normals for the Aransas Wr, TX weather station. There is a 1-in-10 chance of a frost after March 11.

When is the first frost in Austwell, TX?

The average first fall frost (32°F) is December 13. There is a 1-in-10 chance of frost by November 22, so tender plants are at risk from that point on.

How long is the growing season in 77950?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 306 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 77950Austwell, TX

The average last spring frost in Austwell is February 7 and the average first fall frost is December 13, giving a typical growing season of about 306 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Feb 7
Average first fall frost: Dec 13
Growing season: 306 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 28 · Feb 28 · Mar 24	Nov 9 · Dec 1 · Dec 24	279 days	100%
Frost / freeze (32°F)	Jan 2 · Feb 7 · Mar 11	Nov 22 · Dec 13 · Jan 13	306 days	97%
Hard freeze (28°F)	Dec 18 · Jan 27 · Mar 2	Dec 2 · Dec 29 · Feb 1	340 days	76%

Where these dates come from

ZIP code 77950 is matched to the NOAA station Aransas Wr, TX, 11.5 km away, at 15 ft elevation (11 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Aransas Wr, TX (used)	15 ft	Feb 7	Dec 13
Austwell, TX	23 ft	Jan 30	Dec 27
Port Aransas 32 Nne, TX	15 ft	Feb 20	Dec 2
Rockport Aransas Co Ap, TX	22 ft	Jan 23	Jan 1

Frost dates near Austwell

Tivoli, TX 77990 · last Feb 7, first Dec 13
Seadrift, TX 77983 · last Feb 7, first Dec 13
Mcfaddin, TX 77973 · last Feb 17, first Dec 8
Bloomington, TX 77951 · last Feb 4, first Dec 9
Port Lavaca, TX 77979 · last Feb 1, first Dec 21
Placedo, TX 77977 · last Feb 4, first Dec 9
Point Comfort, TX 77978 · last Feb 1, first Dec 21
Fulton, TX 78358 · last Jan 23, first Jan 1

Frequently asked questions

When is the last frost in Austwell, TX?: For ZIP code 77950, the average last spring frost (32°F) is February 7, based on NOAA 1991-2020 climate normals for the Aransas Wr, TX weather station. There is a 1-in-10 chance of a frost after March 11.
When is the first frost in Austwell, TX?: The average first fall frost (32°F) is December 13. There is a 1-in-10 chance of frost by November 22, so tender plants are at risk from that point on.
How long is the growing season in 77950?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 306 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.