When is the last frost in Matagorda, TX?

For ZIP code 77457, the average last spring frost (32°F) is February 5, based on NOAA 1991-2020 climate normals for the Matagorda No 2, TX weather station. There is a 1-in-10 chance of a frost after March 8.

When is the first frost in Matagorda, TX?

The average first fall frost (32°F) is December 16. There is a 1-in-10 chance of frost by November 20, so tender plants are at risk from that point on.

How long is the growing season in 77457?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 310 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 77457Matagorda, TX

The average last spring frost in Matagorda is February 5 and the average first fall frost is December 16, giving a typical growing season of about 310 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Feb 5
Average first fall frost: Dec 16
Growing season: 310 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 29 · Feb 28 · Mar 21	Nov 8 · Nov 30 · Dec 30	278 days	100%
Frost / freeze (32°F)	Jan 3 · Feb 5 · Mar 8	Nov 20 · Dec 16 · Jan 17	310 days	96%
Hard freeze (28°F)	Dec 21 · Jan 22 · Feb 27	Dec 1 · Jan 1 · Feb 2	347 days	69%

Where these dates come from

ZIP code 77457 is matched to the NOAA station Matagorda No 2, TX, 1 km away, at 10 ft elevation (0 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Matagorda No 2, TX (used)	10 ft	Feb 5	Dec 16
Palacios Muni Ap, TX	12 ft	Feb 1	Dec 17
Bay City Wtr Wks, TX	52 ft	Feb 20	Dec 3
Danevang 1 W, TX	70 ft	Feb 15	Dec 8

Frost dates near Matagorda

Wadsworth, TX 77483 · last Feb 5, first Dec 16
Bay City, TX 77414 · last Feb 20, first Dec 3
Collegeport, TX 77428 · last Feb 1, first Dec 17
Palacios, TX 77465 · last Feb 1, first Dec 17
Elmaton, TX 77440 · last Feb 20, first Dec 3
Blessing, TX 77419 · last Feb 1, first Dec 17
Markham, TX 77456 · last Feb 20, first Dec 3
Cedar Lane, TX 77415 · last Feb 20, first Dec 3

Frequently asked questions

When is the last frost in Matagorda, TX?: For ZIP code 77457, the average last spring frost (32°F) is February 5, based on NOAA 1991-2020 climate normals for the Matagorda No 2, TX weather station. There is a 1-in-10 chance of a frost after March 8.
When is the first frost in Matagorda, TX?: The average first fall frost (32°F) is December 16. There is a 1-in-10 chance of frost by November 20, so tender plants are at risk from that point on.
How long is the growing season in 77457?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 310 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.