ZIP 87144 Zone 7b

New Mexico · USDA zone 7b, average annual extreme minimum 5°F to 10°F.

Nearest qualified station: RIO RANCHO #1, NM US (USC00297477), 6 miles from the Census ZCTA internal point for this ZIP.

Median last 32°F is April 16. Median first 32°F is October 23. The 50% growing-season length is 191 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.

ProbabilityDateHow to read it
90%April 2Earlier date. A last 32°F on or after this day is common.
50%April 16Median.
10%May 2Later 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.

ProbabilityDateHow to read it
10%October 12Earlier date. A first 32°F on or before this day is uncommon.
50%October 23Median.
90%November 5Later 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 longDays
10%209
50%191
90%172

28°F threshold

10%50%90%
Last, on or afterApril 15March 30March 12
First, on or beforeOctober 20November 2November 15
Season at least239 days218 days198 days

36°F threshold

10%50%90%
Last, on or afterMay 12April 29April 16
First, on or beforeOctober 4October 16October 26
Season at least186 days169 days153 days

Station RIO RANCHO #1, NM US (USC00297477). Completeness flag R, 12 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 1594.1 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

Methodology · New Mexico cities