When is the last frost in Aransas Pass, TX?

Frost occurs in about 37% of years at the nearest NOAA station (Port Aransas, TX), so there is no reliable average last frost date.

When is the first frost in Aransas Pass, TX?

Frost occurs in about 37% of years at the nearest NOAA station.

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 78336Aransas Pass, TX

Frost occurs in about 37% of years near Aransas Pass, based on NOAA 1991-2020 records for the Port Aransas, TX station.

Frost occurs in about 37% of years. Frost-tender plants can usually grow year-round, but cover them if a rare cold snap is forecast.

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)	Dec 26 · Jan 28 · Mar 3	Dec 5 · Jan 1 · Feb 5	339 days	77%
Frost / freeze (32°F)	Dec 19 · Jan 16 · Feb 23	Dec 12 · Jan 5 · Feb 10	365 days	37%
Hard freeze (28°F)	—	—	365 days	9%

Where these dates come from

ZIP code 78336 is matched to the NOAA station Port Aransas, TX, 12.6 km away, at 12 ft elevation (8 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Port Aransas, TX (used)	12 ft	Jan 16	Jan 5
Rockport, TX	8 ft	Jan 31	Dec 25
Rockport Aransas Co Ap, TX	22 ft	Jan 23	Jan 1
Port Aransas 11 Ssw, TX	6 ft	Jan 22	Jan 4

Frost dates near Aransas Pass

Aransas Pass, TX 78335 · last Jan 16, first Jan 5
Ingleside, TX 78362 · last Jan 16, first Jan 5
Gregory, TX 78359 · last Jan 16, first Jan 5
Rockport, TX 78381 · last Jan 31, first Dec 25
Portland, TX 78374 · last Jan 28, first Dec 21
Port Aransas, TX 78373 · last Jan 16, first Jan 5
Fulton, TX 78358 · last Jan 23, first Jan 1
Bayside, TX 78340 · last Jan 23, first Jan 1

Frequently asked questions

When is the last frost in Aransas Pass, TX?: Frost occurs in about 37% of years at the nearest NOAA station (Port Aransas, TX), so there is no reliable average last frost date.
When is the first frost in Aransas Pass, TX?: Frost occurs in about 37% of years at the nearest NOAA station.
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.