FrostDateByZip

Frost dates for 88058San Miguel, NM

The average last spring frost in San Miguel is March 12 and the average first fall frost is November 13, giving a typical growing season of about 241 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 12

Safer after Apr 2 (1-in-10 risk)

Average first fall frost
Nov 13

Possible by Oct 30 (1-in-10 risk)

Growing season
241 days

First frost typically in 17 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)Mar 12 · Apr 1 · Apr 19Oct 21 · Nov 4 · Nov 15214 days100%
Frost / freeze (32°F)Feb 23 · Mar 12 · Apr 2Oct 30 · Nov 13 · Nov 24241 days100%
Hard freeze (28°F)Feb 4 · Feb 26 · Mar 15Nov 9 · Nov 24 · Dec 8270 days100%

Planting calendar for San Miguel

Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.

CropTaskWindow
TomatoesStart seeds indoorsFeb 9 – Apr 17
TomatoesTransplant outdoorsMar 28 – Jul 24
PeppersStart seeds indoorsFeb 9 – Mar 12
PeppersTransplant outdoorsApr 11 – May 12
EggplantStart seeds indoorsFeb 26 – Mar 27
EggplantTransplant outdoorsApr 11 – May 12
CucumbersSow outdoorsApr 11 – Aug 3
Summer squashSow outdoorsMar 28 – May 12
Winter squash & pumpkinsSow outdoorsApr 11 – May 12
Snap beansSow outdoorsMar 28 – Aug 26
Sweet cornSow outdoorsMar 28 – Jul 24
Watermelon & cantaloupeSow outdoorsApr 11 – May 12
OkraSow outdoorsApr 4 – Apr 27
PeasSow outdoors (spring)Feb 9 – Mar 27
PotatoesPlant outdoors (spring)Feb 9 – Apr 11
OnionsStart seeds indoors (spring)Dec 29 – Jan 25
OnionsTransplant outdoors (spring)Feb 26 – Mar 27
BroccoliStart seeds indoors (spring)Jan 22 – Feb 25
BroccoliTransplant outdoors (spring)Feb 26 – Mar 27
BroccoliStart seeds indoors (fall)Jul 14 – Jul 24
BroccoliTransplant outdoors (fall)Aug 13 – Aug 24
CabbageStart seeds indoors (spring)Jan 12 – Feb 9
CabbageTransplant outdoors (spring)Feb 9 – Mar 12
CabbageStart seeds indoors (fall)Jul 4 – Aug 3
CabbageTransplant outdoors (fall)Aug 3 – Sep 3
Leaf lettuceSow outdoors (spring)Feb 9 – Apr 27
Leaf lettuceSow outdoors (fall)Aug 3 – Sep 19
SpinachSow outdoors (spring)Feb 2 – Mar 18
SpinachSow outdoors (fall)Aug 20 – Sep 24
RadishesSow outdoors (spring)Feb 9 – Apr 1
RadishesSow outdoors (fall)Aug 3 – Oct 4
KaleSow outdoors (spring)Feb 26 – Mar 18
KaleSow outdoors (fall)Jul 27 – Sep 3
CarrotsSow outdoors (spring)Mar 12 – Apr 27
CarrotsSow outdoors (fall)Jul 4 – Aug 19
GarlicPlant outdoors (fall)Nov 3 – Dec 4

Where these dates come from

ZIP code 88058 is matched to the NOAA station State Univ, NM, 14.3 km away, at 3,886 ft elevation (44 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
State Univ, NM (used)3,886 ftMar 12Nov 13
La Tuna 1 S, TX3,870 ftFeb 28Nov 20
Santa Teresa Ap, NM4,109 ftMar 23Nov 11
Las Cruces 20 N, NM4,327 ftApr 24Oct 24

Frost dates near San Miguel

Frequently asked questions

When is the last frost in San Miguel, NM?
For ZIP code 88058, the average last spring frost (32°F) is March 12, based on NOAA 1991-2020 climate normals for the State Univ, NM weather station. There is a 1-in-10 chance of a frost after April 2.
When is the first frost in San Miguel, NM?
The average first fall frost (32°F) is November 13. There is a 1-in-10 chance of frost by October 30, so tender plants are at risk from that point on.
How long is the growing season in 88058?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 241 days long.
Are these frost dates a forecast?
No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.