Frost dates / New Mexico / Las Cruces

Frost dates in Las Cruces, NM

The station on this page is STATE UNIV, NM US (USC00298535), 3.5 miles from the city point. Population in the Census 2024 estimate is 116,998.

Zone 8bUSDA average annual extreme minimum 15°F to 20°F, from ZIP 88001 (3.3 miles from the city point used on this page).

Median last 32°F is March 12. Median first 32°F is November 13. The 50% growing-season length is 241 days. The green band runs from the median last frost to the median first frost. Thin ticks mark the 10%, 50%, and 90% dates.

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Last 32°F in spring

NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.

Probability	Date	How to read it
90%	February 23	Earlier date. A last 32°F on or after this day is common.
50%	March 12	Median.
10%	April 2	Later date. A last 32°F on or after this day is uncommon.

First 32°F in fall

NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.

Probability	Date	How to read it
10%	October 30	Earlier date. A first 32°F on or before this day is uncommon.
50%	November 13	Median.
90%	November 24	Later date. A first 32°F on or before this day is common.

32°F growing-season length

Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.

Probability the season is at least this long	Days
10%	262
50%	241
90%	216

28°F threshold

	10%	50%	90%
Last, on or after	March 15	February 26	February 4
First, on or before	November 9	November 24	December 8
Season at least	296 days	270 days	246 days

36°F threshold

	10%	50%	90%
Last, on or after	April 19	April 1	March 12
First, on or before	October 21	November 4	November 15
Season at least	234 days	214 days	193 days

Station STATE UNIV, NM US (USC00298535). Completeness flag R, 25 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 1184.5 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

Check a crop against this station

Las Cruces, NM

Zone 8bAverage annual extreme minimum 15°F to 20°F

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

New Mexico. Nearest qualified station: STATE UNIV, NM US (USC00298535), 3.5 miles. Median last 32°F March 12. Median first 32°F November 13. The 50% growing-season length is 241 days.

Open the ZIP page

32°F probabilities at this station

	10%	50%	90%
Last 32°F on or after	April 2	March 12	February 23
First 32°F on or before	October 30	November 13	November 24

Column order matches the NCEI file: for the last freeze, 10% is the later date and 90% is the earlier date. How to read the probabilities.

A wall calendar surrounded by vegetables, herbs, seed packets, and watering cans.

Planting calendar

Frost dates for New Mexico are above. Planting windows appear for states with a cited extension guide. The fall and seed tools use the numbers you enter and the station dates.

Date checks use your device’s calendar and appear after the page loads.