Frost dates 2026–2027

Frost dates for Donna, Texas

Most years have no 32°F freeze at Weslaco, 4.4 mi away (close match), according to NOAA 1991–2020 climate normals.

Freezes are rare here
Last spring frostRarefewer than half of years
First fall frostRarefewer than half of years
Growing season365 daysbetween median 32°F dates
Hardiness zoneZone 10a30 to 35°F average extreme low

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Will it freeze in Donna in the next 7 nights?

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

Tonight: forecast low 71°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 Donna

Most years have no 28°F hard freeze at Weslaco, 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 Dec 18 · Jan 28 · Mar 1 Nov 25 · Dec 19 · Jan 27 331 days
32°F freeze Dec 8 · Jan 8 · Feb 18 Dec 3 · Dec 31 · Feb 7 365 days
28°F hard freeze rare in most years rare in most years 365 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00419588. The median 32°F growing season here is the whole year: most years have no freeze. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Weslaco

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 Donna, TX come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Weslaco (station USC00419588, elevation 75 ft), 4.4 mi from Donna. 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 Donna

CityDistanceLast spring frostFirst fall frost
Weslaco, TX 3.1 mi rare rare
Alamo, TX 5.0 mi rare rare
Progreso, TX 6.8 mi rare rare
San Juan, TX 7.5 mi rare rare
Mercedes, TX 8.1 mi rare rare
Pharr, TX 9.3 mi rare rare
Elsa, TX 9.9 mi Jan 10 Dec 27
Edinburg, TX 13 mi rare rare
La Feria, TX 13 mi Jan 10 Dec 27
Hidalgo, TX 13 mi rare rare

Frequently asked questions

When is the last frost in Donna?

Donna doesn’t reach 32°F in a typical year, according to NOAA’s 1991–2020 normals for the nearest station.

When is the first frost in Donna?

Freezes are uncommon here; check the 7-night forecast above during cold snaps.

Can it frost in Donna 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 January 28.

What growing zone is Donna?

Donna is in USDA Plant Hardiness Zone 10a (average annual extreme minimum temperature 30 to 35°F), based on the 2023 USDA map for ZIP code 78537. See growing zones in Texas.

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