Frost dates 2026–2027

Frost dates for Dalhart, Texas

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

Last spring frostApr 28
First fall frostOct 20
173 frost-free days
Last spring frostApr 281 year in 10 after May 11
First fall frostOct 201 year in 10 by Oct 6
Growing season173 daysbetween median 32°F dates
Hardiness zoneZone 6b−5 to 0°F average extreme low

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Will it freeze in Dalhart in the next 7 nights?

The earliest overnight low at or below 32°F in the available NWS frost forecast is Tonight: 31°F (Thu, Nov 5, 6:00 PM CST to Fri, Nov 6, 6:00 AM CST).

Tonight: forecast low 31°F. Freeze.

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

3 of the next 7 nights are forecast at 36°F or colder, cold enough for frost on exposed plants.

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 Dalhart

The median first fall hard-freeze date (28°F) is October 28, from NOAA’s 1991–2020 Climate Normals at Dalhart. This is the 50% probability date, not a forecast for this year.

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 Apr 24 · May 7 · May 19 Sep 29 · Oct 11 · Oct 23 155 days
32°F freeze Apr 14 · Apr 28 · May 11 Oct 6 · Oct 20 · Oct 31 173 days
28°F hard freeze Apr 2 · Apr 18 · May 2 Oct 17 · Oct 28 · Nov 8 191 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00412238. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Dalhart

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 Dalhart, TX come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Dalhart (station USC00412238, elevation 3,984 ft), 0.6 mi from Dalhart. 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 Dalhart

CityDistanceLast spring frostFirst fall frost
Dumas, TX 34 mi Apr 21 Oct 24
Borger, TX 68 mi Apr 12 Oct 28
Amarillo, TX 71 mi Apr 15 Oct 29
Guymon, OK 72 mi Apr 18 Oct 23
Canyon, TX 81 mi Apr 15 Oct 25
Hereford, TX 86 mi Apr 17 Oct 25
Tucumcari, NM 91 mi Apr 18 Oct 25
Pampa, TX 94 mi Apr 14 Oct 28
Perryton, TX 98 mi Apr 14 Oct 30
Liberal, KS 111 mi Apr 20 Oct 24

Frequently asked questions

When is the last frost in Dalhart?

On average, the last spring frost (32°F) in Dalhart is around April 28. In about 1 year in 10 it comes after May 11, and in 9 years in 10 it comes after April 14.

When is the first frost in Dalhart?

The first fall frost (32°F) usually arrives around October 20. There’s a 10% chance of a freeze by October 6 and a 90% chance by October 31.

Can it frost in Dalhart 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 May 7.

What growing zone is Dalhart?

Dalhart is in USDA Plant Hardiness Zone 6b (average annual extreme minimum temperature −5 to 0°F), based on the 2023 USDA map for ZIP code 79022. See growing zones in Texas.

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