When is the last frost in Guerra, TX?

For ZIP code 78360, the average last spring frost (32°F) is January 19, based on NOAA 1991-2020 climate normals for the Zapata 1 S, TX weather station. There is a 1-in-10 chance of a frost after February 25.

When is the first frost in Guerra, TX?

The average first fall frost (32°F) is December 22. There is a 1-in-10 chance of frost by November 28, so tender plants are at risk from that point on.

How long is the growing season in 78360?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 341 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 78360Guerra, TX

The average last spring frost in Guerra is January 19 and the average first fall frost is December 22, giving a typical growing season of about 341 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Jan 19
Average first fall frost: Dec 22
Growing season: 341 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 7 · Feb 9 · Mar 7	Nov 17 · Dec 6 · Jan 6	304 days	98%
Frost / freeze (32°F)	Dec 17 · Jan 19 · Feb 25	Nov 28 · Dec 22 · Jan 27	341 days	77%
Hard freeze (28°F)	Dec 13 · Jan 5 · Feb 15	Dec 8 · Jan 1 · Feb 5	365 days	36%

Where these dates come from

ZIP code 78360 is matched to the NOAA station Zapata 1 S, TX, 35.7 km away, at 320 ft elevation (241 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Zapata 1 S, TX (used)	320 ft	Jan 19	Dec 22
Falcon Dam, TX	320 ft	Jan 9	Jan 1
Hebbronville, TX	580 ft	Feb 4	Dec 12
Rio Grande City, TX	172 ft	Jan 31	Dec 17

Frost dates near Guerra

Lopeno, TX 78564 · last Jan 9, first Jan 1
Zapata, TX 78076 · last Jan 19, first Dec 22
Falcon Heights, TX 78545 · last Jan 9, first Jan 1
Salineno, TX 78585 · last Jan 9, first Jan 1
San Isidro, TX 78588 · last Jan 22, first Dec 19
Santa Elena, TX 78591 · last Jan 23, first Dec 28
Hebbronville, TX 78361 · last Feb 4, first Dec 12
Roma, TX 78584 · last Jan 9, first Jan 1

Frequently asked questions

When is the last frost in Guerra, TX?: For ZIP code 78360, the average last spring frost (32°F) is January 19, based on NOAA 1991-2020 climate normals for the Zapata 1 S, TX weather station. There is a 1-in-10 chance of a frost after February 25.
When is the first frost in Guerra, TX?: The average first fall frost (32°F) is December 22. There is a 1-in-10 chance of frost by November 28, so tender plants are at risk from that point on.
How long is the growing season in 78360?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 341 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.