Frost dates 2026–2027

Frost dates for Gallup, New Mexico

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Gallup Sand & Gravel, 2.5 mi away (close match).

Last spring frostMay 11
First fall frostOct 7
148 frost-free days
Last spring frostMay 111 year in 10 after May 26
First fall frostOct 71 year in 10 by Sep 27
Growing season148 daysbetween median 32°F dates
Hardiness zoneZone 6a−10 to −5°F average extreme low

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Will it freeze in Gallup in the next 7 nights?

The earliest overnight low at or below 32°F in the available NWS frost forecast is Fri, Nov 6: 32°F (Fri, Nov 6, 6:00 PM MST to Sat, Nov 7, 6:00 AM MST).

Tonight: forecast low 34°F. Frost possible.

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

7 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 Gallup

The median first fall hard-freeze date (28°F) is October 17, from NOAA’s 1991–2020 Climate Normals at Gallup Sand & Gravel. 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 May 11 · May 25 · Jun 7 Sep 19 · Oct 1 · Oct 11 126 days
32°F freeze Apr 30 · May 11 · May 26 Sep 27 · Oct 7 · Oct 20 148 days
28°F hard freeze Apr 15 · Apr 29 · May 14 Oct 4 · Oct 17 · Oct 31 168 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00293428. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Gallup Sand & Gravel

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 Gallup, NM come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Gallup Sand & Gravel (station USC00293428, elevation 6,577 ft), 2.5 mi from Gallup. 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 Gallup

CityDistanceLast spring frostFirst fall frost
Grants, NM 57 mi May 17 Oct 3
Farmington, NM 91 mi May 2 Oct 13
Bloomfield, NM 95 mi Apr 23 Oct 19
Aztec, NM 100 mi May 12 Oct 6
Snowflake, AZ 103 mi May 11 Oct 10
Show Low, AZ 113 mi May 5 Oct 15
Winslow, AZ 116 mi Apr 27 Oct 18
Rio Rancho, NM 116 mi Apr 8 Nov 1
Los Ranchos de Albuquerque, NM 121 mi Apr 23 Oct 20
Corrales, NM 121 mi Apr 8 Nov 1

Frequently asked questions

When is the last frost in Gallup?

On average, the last spring frost (32°F) in Gallup is around May 11. In about 1 year in 10 it comes after May 26, and in 9 years in 10 it comes after April 30.

When is the first frost in Gallup?

The first fall frost (32°F) usually arrives around October 7. There’s a 10% chance of a freeze by September 27 and a 90% chance by October 20.

Can it frost in Gallup 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 25.

What growing zone is Gallup?

Gallup is in USDA Plant Hardiness Zone 6a (average annual extreme minimum temperature −10 to −5°F), based on the 2023 USDA map for ZIP code 87301. See growing zones in New Mexico.

More: all New Mexico frost dates · New Mexico growing zones · frost vs. freeze