Frost dates 2026–2027

Frost dates for Robstown, Texas

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Robstown, 0.6 mi away (close match).

Last spring frostJan 26
First fall frostDec 24
336 frost-free days
Last spring frostJan 261 year in 10 after Mar 3
First fall frostDec 241 year in 10 by Nov 28
Growing season336 daysbetween median 32°F dates
Hardiness zoneZone 9b25 to 30°F average extreme low

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Will it freeze in Robstown in the next 7 nights?

No overnight lows at or below 32°F are forecast in Robstown during the next 7 nights in the available NWS frost forecast.

Tonight: forecast low 67°F. Above 36°F.

NWS forecast period: Thu, Nov 5, 6:00 PM CST to Fri, Nov 6, 6:00 AM CST.

No nights at or below 36°F in the National Weather Service forecast for the next 7 nights.

Overnight lows from the National Weather Service forecast for this location. This covers the available forecast window, not the first freeze of the whole season. Frost can form above 32°F on clear, calm nights.

Frost and freeze probabilities

Freeze dates shift from year to year. Spring percentages describe the chance of a freeze after the stated date; fall percentages describe the chance of a freeze by that date. The 10% spring date is the cautious one: a later freeze happens about 1 year in 10.

These dates describe historical probabilities, not this year’s forecast or the earliest and latest possible freezes. Different weather stations or probability thresholds can produce different published dates for the same city.

Average first hard freeze in Robstown

Most years have no 28°F hard freeze at Robstown, according to NOAA’s 1991–2020 Climate Normals. Check the short-term forecast above during cold snaps.

TemperatureLast spring date
90% · 50% · 10% chance of a later freeze
First fall date
10% · 50% · 90% chance of an earlier freeze
Season
36°F frost possible Jan 13 · Feb 15 · Mar 12 Nov 16 · Dec 8 · Jan 7 297 days
32°F freeze Dec 18 · Jan 26 · Mar 3 Nov 28 · Dec 24 · Feb 2 336 days
28°F hard freeze Dec 10 · Jan 10 · Feb 15 Dec 7 · Jan 2 · Feb 6 365 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00417677. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Robstown

Average low temperature by month

Months with lows near or below freezing carry frost risk

Where these frost dates come from

The frost dates for Robstown, TX come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Robstown (station USC00417677, elevation 85 ft), 0.6 mi from Robstown. Local conditions (valleys, hilltops, distance to water, city heat) can shift frost dates by days or weeks. The hardiness zone is from the 2023 USDA Plant Hardiness Zone Map (USDA ARS and Oregon State University PRISM). See our methodology.

Frost dates near Robstown

CityDistanceLast spring frostFirst fall frost
Corpus Christi, TX 17 mi Jan 31 Dec 22
Sinton, TX 20 mi Feb 1 Dec 17
Portland, TX 22 mi Jan 31 Dec 22
Kingsville, TX 23 mi Jan 25 Dec 20
Alice, TX 24 mi Jan 29 Dec 29
Ingleside, TX 29 mi rare rare
Aransas Pass, TX 35 mi rare rare
Rockport, TX 42 mi Jan 31 Dec 25
Beeville, TX 42 mi Feb 17 Dec 8
Victoria, TX 83 mi Feb 14 Dec 9

Frequently asked questions

When is the last frost in Robstown?

On average, the last spring frost (32°F) in Robstown is around January 26. In about 1 year in 10 it comes after March 3, and in 9 years in 10 it comes after December 18.

When is the first frost in Robstown?

The first fall frost (32°F) usually arrives around December 24. There’s a 10% chance of a freeze by November 28 and a 90% chance by February 2.

Can it frost in Robstown after the last frost date?

Yes. Frost can form on clear, calm nights even when the air stays above 32°F. Temperatures of 36°F or lower, cold enough for frost on exposed plants, have a 50% chance of occurring after February 15.

What growing zone is Robstown?

Robstown is in USDA Plant Hardiness Zone 9b (average annual extreme minimum temperature 25 to 30°F), based on the 2023 USDA map for ZIP code 78380. See growing zones in Texas.

More: all Texas frost dates · Texas growing zones · frost vs. freeze