When is the last frost in Laredo, TX?

For ZIP code 78045, the average last spring frost (32°F) is January 25, based on NOAA 1991-2020 climate normals for the Laredo 2, TX weather station. There is a 1-in-10 chance of a frost after February 25.

When is the first frost in Laredo, TX?

The average first fall frost (32°F) is December 17. There is a 1-in-10 chance of frost by November 23, so tender plants are at risk from that point on.

How long is the growing season in 78045?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 329 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 78045Laredo, TX

The average last spring frost in Laredo is January 25 and the average first fall frost is December 17, giving a typical growing season of about 329 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Jan 25
Average first fall frost: Dec 17
Growing season: 329 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 18 · Feb 13 · Mar 9	Nov 14 · Dec 3 · Dec 28	293 days	100%
Frost / freeze (32°F)	Dec 25 · Jan 25 · Feb 25	Nov 23 · Dec 17 · Jan 19	329 days	90%
Hard freeze (28°F)	Dec 14 · Jan 8 · Feb 11	Dec 5 · Dec 30 · Feb 1	363 days	55%

Where these dates come from

ZIP code 78045 is matched to the NOAA station Laredo 2, TX, 11.9 km away, at 430 ft elevation (46 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Laredo 2, TX (used)	430 ft	Jan 25	Dec 17
Laredo Afb, TX	505 ft	Jan 20	Dec 25
Encinal, TX	545 ft	Feb 21	Dec 9
Bruni, TX	771 ft	Jan 30	Dec 18

Frost dates near Laredo

Laredo, TX 78041 · last Jan 25, first Dec 17
Encinal, TX 78019 · last Feb 21, first Dec 9
Mirando City, TX 78369 · last Jan 30, first Dec 18
Oilton, TX 78371 · last Jan 30, first Dec 18
San Ygnacio, TX 78067 · last Jan 19, first Dec 22
Artesia Wells, TX 78001 · last Feb 11, first Dec 3
Bruni, TX 78344 · last Jan 30, first Dec 18
Catarina, TX 78836 · last Mar 5, first Nov 22

Frequently asked questions

When is the last frost in Laredo, TX?: For ZIP code 78045, the average last spring frost (32°F) is January 25, based on NOAA 1991-2020 climate normals for the Laredo 2, TX weather station. There is a 1-in-10 chance of a frost after February 25.
When is the first frost in Laredo, TX?: The average first fall frost (32°F) is December 17. There is a 1-in-10 chance of frost by November 23, so tender plants are at risk from that point on.
How long is the growing season in 78045?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 329 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.