Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 87832 — San Antonio, NM

ZIP code 87832 (San Antonio, Socorro County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 28 and the first fall frost October 16.

Where ZIP 87832 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone7b5 to 10 °F
Coldest night−15 to −12.2 °C
Last frostApr 28
First frostOct 16
2012 zone7b

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 7b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for San Antonio, NM…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in San Antonio, NM

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 28median — 50% chance of a later frost
Safe for tender plantsMay 12only 10% chance of frost after
First fall frostOctober 16median — 10% chance by Oct 1
Growing season167 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 15 and returns around October 25.

From the NOAA station Bosque Del Apache, NM — 4 miles away, elevation 4,511 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 87832

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 17 – Mar 31
SpinachSow outdoors · Mar 17 – Apr 7
Broccoli, cabbageStart indoors · Feb 17 – Mar 3
Broccoli, cabbageTransplant · Apr 7 – Apr 21
Onion setsPlant outdoors · Mar 31 – Apr 14
PotatoesPlant outdoors · Apr 7 – Apr 21
LettuceSow outdoors · Mar 31 – Apr 14
Carrots, beetsSow outdoors · Apr 7 – Apr 21
TomatoesStart indoors · Mar 3 – Mar 17
TomatoesTransplant · May 5 – May 19
Peppers, eggplantStart indoors · Feb 17 – Mar 3
Peppers, eggplantTransplant · May 12 – May 26
BeansSow outdoors · May 5 – May 19
Sweet cornSow outdoors · May 5 – May 19
Cucumbers, squashSow outdoors · May 5 – May 19
Fall lettuce, spinachSow outdoors · Aug 21 – Sep 4
GarlicPlant cloves · Oct 2 – Nov 6
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 28) and first fall frost (Oct 16) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 87832 came on Feb 11 — 6 days earlier than the 1991–2020 average (Feb 17).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 7b in New Mexico

535 plants native to the lower 48 states, recorded in New Mexico, and rated by the USDA to survive 5 °F or colder — the bottom of zone 7b. Each links to its USDA PLANTS profile.

Trees 29

Arizona cypress50 ft · blooms spring · low shade tolerance · to −23 °FArizona madrone30 ft · blooms late spring · high shade tolerance · to −4 °FArizona sycamore80 ft · blooms early spring · high shade tolerance · to −8 °FArizona walnut50 ft · blooms late spring · high shade tolerance · to −33 °Fblack locust60 ft · blooms spring · high shade tolerance · to −37 °Fblack walnut100 ft · blooms late spring · high shade tolerance · to −28 °F

Shrubs 103

alderleaf mountain mahogany15 ft · blooms late spring · medium shade tolerance · to −41 °FAmerican black currant3 ft · blooms early spring · to −46 °FAmerican plum24 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican tarwort3 ft · blooms late spring · high shade tolerance · to −23 °Fantelope bitterbrush6 ft · blooms early spring · medium shade tolerance · to −36 °FApache plume6 ft · blooms late spring · high shade tolerance · to −23 °F

Wildflowers & perennials 229

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine bistort1 ft · blooms mid spring · high shade tolerance · to −38 °Falpine mountainsorrel1 ft · blooms mid summer · medium shade tolerance · to −43 °FAmerican alpine speedwell1 ft · blooms summer · medium shade tolerance · to −28 °FAmerican bistort1.5 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °F

Grasses 166

alkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °Falkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °Falpine timothy1.4 ft · blooms late spring · medium shade tolerance · to −43 °Fanalogue sedge1.5 ft · blooms late spring · medium shade tolerance · to −38 °Farctic bluegrass2 ft · high shade tolerance · to −62 °FArizona cottontop4 ft · blooms late summer · high shade tolerance · to −13 °F

Vines 1

western white clematis1 ft · blooms mid summer · medium shade tolerance · to −38 °F

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in San Antonio, NM.

Soil in San Antonio, NM

The soil mapped at the center of ZIP 87832 is Bluepoint — loamy fine sand, somewhat excessively drained.

TextureLoamy fine sanddrains and warms fast; dries out and needs more feeding
pH8.2alkaline; most vegetables like 6.0–7.0
DrainageSomewhat excessively drainednatural drainage class
Organic matter0.7%low — add compost
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Bluepoint loamy fine sand, 1 to 9 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 87832; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in San Antonio, NM

Summer high97 °Faverage high, June
Winter low20 °Faverage low, January
Hot days123days a year at 90 °F or more
Freezing nights143nights a year at 32 °F or less
Growing degree days4,251base 50 °F — the season’s usable heat
Longest day14 h 24 mindaylight on June 21
Shortest day9 h 54 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation9.6 inper year, rain and melted snow
Snowfall2 inper year; 1 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°110°32 °FJanuary: average high 57 °F, low 20 °F 57°20° JanFebruary: average high 63 °F, low 24 °F 63°24° FebMarch: average high 71 °F, low 30 °F 71°30° MarApril: average high 78 °F, low 37 °F 78°37° AprMay: average high 87 °F, low 45 °F 87°45° MayJune: average high 97 °F, low 54 °F 97°54° JunJuly: average high 97 °F, low 61 °F 97°61° JulAugust: average high 94 °F, low 59 °F 94°59° AugSeptember: average high 89 °F, low 51 °F 89°51° SepOctober: average high 79 °F, low 38 °F 79°38° OctNovember: average high 67 °F, low 27 °F 67°27° NovDecember: average high 57 °F, low 20 °F 57°20° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″January: 0.38 in precipitation, 0.3 in snowfall 0.4 JanFebruary: 0.43 in precipitation, 0.1 in snowfall 0.4 FebMarch: 0.40 in precipitation 0.4 MarApril: 0.33 in precipitation, 0.1 in snowfall 0.3 AprMay: 0.42 in precipitation 0.4 MayJune: 0.53 in precipitation 0.5 JunJuly: 1.67 in precipitation 1.7 JulAugust: 1.91 in precipitation 1.9 AugSeptember: 1.31 in precipitation 1.3 SepOctober: 0.90 in precipitation, 0.1 in snowfall 0.9 OctNovember: 0.59 in precipitation, 0.5 in snowfall 0.6❄1 NovDecember: 0.75 in precipitation, 0.9 in snowfall 0.8❄1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Bosque Del Apache, NM (4 mi away); precipitation: Bosque Del Apache, NM (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7b.

878017b
Socorro, NM · 15 mi
878237b
Lemitar, NM · 25 mi
878287b
Polvadera, NM · 26 mi
878317b
San Acacia, NM · 31 mi
870287b
La Joya, NM · 36 mi
879397b
Monticello, NM · 43 mi
870627b
Veguita, NM · 44 mi
870067b
Bosque, NM · 44 mi

New Mexico planting zones →

Questions about 87832

What planting zone is ZIP code 87832?

ZIP code 87832 (San Antonio, NM) is in USDA hardiness zone 7b on the 2023 map: the coldest night of an average winter reaches 5 to 10 °F (−15 to −12.2 °C).

When is the last frost in San Antonio, NM?

The median last spring frost (32 °F) near 87832 is April 28; after May 12 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Bosque Del Apache station.

When is the first frost in San Antonio, NM?

The median first fall frost near 87832 is October 16, giving a median frost-free growing season of 167 days.

When should I plant tomatoes in 87832?

Start tomato seeds indoors around Mar 3 – Mar 17 and set transplants outside around May 5 – May 19, one to three weeks after the median last frost.

How much rain and snow does 87832 get?

About 9.6 inches of precipitation a year and 2 inches of snowfall (NOAA 1991–2020 normals, Bosque Del Apache station).

How hot do summers get in San Antonio, NM?

The average high peaks at 97 °F in June, with about 123 days a year at 90 °F or more.

What kind of soil does 87832 have?

The USDA soil survey maps Bluepoint at the center of ZIP 87832: loamy fine sand, somewhat excessively drained, pH about 8.2 (alkaline).

Did spring come early in San Antonio, NM in 2026?

Spring leaf-out near 87832 came on Feb 11 in 2026, 6 days earlier than the 1991–2020 average (Feb 17), according to the USA National Phenology Network Spring Index.

What kind of onions grow in San Antonio, NM?

Intermediate onions: the longest day near 87832 is 14 h 24 min, so day-neutral types bulb best; long-day varieties may not bulb fully.