ZIP 87505 Zone 6b

New Mexico · USDA zone 6b, average annual extreme minimum -5°F to 0°F.

Nearest qualified station: SANTA FE SETON, NM US (USC00298088), 3.9 miles from the Census ZCTA internal point for this ZIP.

Median last 32°F is May 2. Median first 32°F is October 17. The 50% growing-season length is 167 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 19Earlier date. A last 32°F on or after this day is common.
50%May 2Median.
10%May 14Later 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 4Earlier date. A first 32°F on or before this day is uncommon.
50%October 17Median.
90%October 28Later 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%185
50%167
90%148

28°F threshold

10%50%90%
Last, on or afterMay 6April 22April 6
First, on or beforeOctober 12October 27November 9
Season at least207 days187 days167 days

36°F threshold

10%50%90%
Last, on or afterMay 26May 11April 29
First, on or beforeSeptember 26October 8October 20
Season at least166 days148 days129 days

Station SANTA FE SETON, NM US (USC00298088). Completeness flag R, 18 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 2133.6 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