Frost dates 2026–2027

Frost dates for Las Cruces, New Mexico

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at State University, 3.5 mi away (close match).

Last spring frostMar 12
First fall frostNov 13
241 frost-free days
Last spring frostMar 121 year in 10 after Apr 2
First fall frostNov 131 year in 10 by Oct 30
Growing season241 daysbetween median 32°F dates
Hardiness zoneZone 8b15 to 20°F average extreme low

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Will it freeze in Las Cruces in the next 7 nights?

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

Tonight: forecast low 45°F. Above 36°F.

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

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 Las Cruces

The median first fall hard-freeze date (28°F) is November 24, from NOAA’s 1991–2020 Climate Normals at State University. 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 Mar 12 · Apr 1 · Apr 19 Oct 21 · Nov 4 · Nov 15 214 days
32°F freeze Feb 23 · Mar 12 · Apr 2 Oct 30 · Nov 13 · Nov 24 241 days
28°F hard freeze Feb 4 · Feb 26 · Mar 15 Nov 9 · Nov 24 · Dec 8 270 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00298535. How to read these probabilities.

Average high temperature by month

1991–2020 normals at State University

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 Las Cruces, NM come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: State University (station USC00298535, elevation 3,886 ft), 3.5 mi from Las Cruces. 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 Las Cruces

CityDistanceLast spring frostFirst fall frost
Anthony, NM 24 mi Feb 28 Nov 20
Sunland Park, NM 37 mi Mar 23 Nov 11
El Paso, TX 39 mi Mar 2 Nov 20
Deming, NM 57 mi Apr 7 Nov 3
Horizon City, TX 57 mi Mar 2 Nov 20
Socorro, TX 57 mi Mar 2 Nov 20
San Elizario, TX 60 mi Mar 21 Nov 6
Alamogordo, NM 62 mi Mar 9 Nov 18
Truth or Consequences, NM 69 mi Mar 22 Nov 9
Silver City, NM 92 mi Apr 4 Nov 8

Frequently asked questions

When is the last frost in Las Cruces?

On average, the last spring frost (32°F) in Las Cruces is around March 12. In about 1 year in 10 it comes after April 2, and in 9 years in 10 it comes after February 23.

When is the first frost in Las Cruces?

The first fall frost (32°F) usually arrives around November 13. There’s a 10% chance of a freeze by October 30 and a 90% chance by November 24.

Can it frost in Las Cruces 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 April 1.

What growing zone is Las Cruces?

Las Cruces is in USDA Plant Hardiness Zone 8b (average annual extreme minimum temperature 15 to 20°F), based on the 2023 USDA map for ZIP code 88001. See growing zones in New Mexico.

More: all New Mexico frost dates · New Mexico growing zones · UV index today in Las Cruces · frost vs. freeze