FrostDateByZip

Frost dates for 88415Clayton, NM

The average last spring frost in Clayton is April 27 and the average first fall frost is October 17, giving a typical growing season of about 170 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 27

Safer after May 10 (1-in-10 risk)

Average first fall frost
Oct 17

Possible by Oct 2 (1-in-10 risk)

Growing season
170 days

Last frost typically in 182 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)Apr 25 · May 6 · May 20Sep 26 · Oct 7 · Oct 19152 days100%
Frost / freeze (32°F)Apr 14 · Apr 27 · May 10Oct 2 · Oct 17 · Oct 29170 days100%
Hard freeze (28°F)Apr 1 · Apr 16 · May 1Oct 12 · Oct 26 · Nov 8192 days100%

Planting calendar for Clayton

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 indoorsMar 27 – Jun 2
TomatoesTransplant outdoorsMay 13 – Jun 27
PeppersStart seeds indoorsMar 27 – Apr 27
PeppersTransplant outdoorsMay 27 – Jun 27
EggplantStart seeds indoorsApr 13 – May 12
EggplantTransplant outdoorsMay 27 – Jun 27
CucumbersSow outdoorsMay 27 – Jul 7
Summer squashSow outdoorsMay 13 – Jun 27
Winter squash & pumpkinsSow outdoorsMay 27 – Jun 27
Snap beansSow outdoorsMay 13 – Jul 30
Sweet cornSow outdoorsMay 13 – Jun 27
Watermelon & cantaloupeSow outdoorsMay 27 – Jun 27
OkraSow outdoorsMay 20 – Jun 12
PeasSow outdoors (spring)Mar 27 – May 12
PotatoesPlant outdoors (spring)Mar 27 – May 27
OnionsStart seeds indoors (spring)Feb 13 – Mar 12
OnionsTransplant outdoors (spring)Apr 13 – May 12
BroccoliStart seeds indoors (spring)Mar 9 – Apr 12
BroccoliTransplant outdoors (spring)Apr 13 – May 12
BroccoliStart seeds indoors (fall)Jun 17 – Jun 27
BroccoliTransplant outdoors (fall)Jul 17 – Jul 28
CabbageStart seeds indoors (spring)Feb 27 – Mar 27
CabbageTransplant outdoors (spring)Mar 27 – Apr 27
CabbageStart seeds indoors (fall)Jun 7 – Jul 7
CabbageTransplant outdoors (fall)Jul 7 – Aug 7
Leaf lettuceSow outdoors (spring)Mar 27 – Jun 12
Leaf lettuceSow outdoors (fall)Jul 7 – Aug 23
SpinachSow outdoors (spring)Mar 20 – May 3
SpinachSow outdoors (fall)Jul 24 – Aug 28
RadishesSow outdoors (spring)Mar 27 – May 17
RadishesSow outdoors (fall)Jul 7 – Sep 7
KaleSow outdoors (spring)Apr 13 – May 3
KaleSow outdoors (fall)Jun 30 – Aug 7
CarrotsSow outdoors (spring)Apr 27 – Jun 12
CarrotsSow outdoors (fall)Jun 7 – Jul 23
GarlicPlant outdoors (fall)Oct 7 – Nov 7

Where these dates come from

ZIP code 88415 is matched to the NOAA station Clayton Muni Air Pk, NM, 3.2 km away, at 4,960 ft elevation (83 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Clayton Muni Air Pk, NM (used)4,960 ftApr 27Oct 17
Clayton 1 N, NM5,000 ftMay 4Oct 11
Grenville, NM6,002 ftMay 5Oct 9
Pasamonte, NM5,650 ftMay 5Oct 7

Frost dates near Clayton

Frequently asked questions

When is the last frost in Clayton, NM?
For ZIP code 88415, the average last spring frost (32°F) is April 27, based on NOAA 1991-2020 climate normals for the Clayton Muni Air Pk, NM weather station. There is a 1-in-10 chance of a frost after May 10.
When is the first frost in Clayton, NM?
The average first fall frost (32°F) is October 17. There is a 1-in-10 chance of frost by October 2, so tender plants are at risk from that point on.
How long is the growing season in 88415?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 170 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.