FrostDateByZip

Frost dates for 87312Continental Divide, NM

The average last spring frost in Continental Divide is May 29 and the average first fall frost is September 26, giving a typical growing season of about 118 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 29

Safer after Jun 12 (1-in-10 risk)

Average first fall frost
Sep 26

Possible by Sep 13 (1-in-10 risk)

Growing season
118 days

Last frost typically in 214 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)May 25 · Jun 6 · Jun 21Sep 6 · Sep 17 · Sep 29101 days100%
Frost / freeze (32°F)May 11 · May 29 · Jun 12Sep 13 · Sep 26 · Oct 6118 days100%
Hard freeze (28°F)Apr 28 · May 15 · Jun 2Sep 21 · Oct 3 · Oct 15139 days100%

Planting calendar for Continental Divide

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 indoorsApr 28 – Jul 4
TomatoesTransplant outdoorsJun 14 – Jun 6
PeppersStart seeds indoorsApr 28 – May 29
PeppersTransplant outdoorsJun 28 – Jul 29
EggplantStart seeds indoorsMay 15 – Jun 13
EggplantTransplant outdoorsJun 28 – Jul 29
CucumbersSow outdoorsJun 28 – Jun 16
Summer squashSow outdoorsJun 14 – Jul 29
Winter squash & pumpkinsSow outdoorsJun 28 – Jul 29
Snap beansSow outdoorsJun 14 – Jul 9
Sweet cornSow outdoorsJun 14 – Jun 6
Watermelon & cantaloupeSow outdoorsJun 28 – Jul 29
OkraSow outdoorsJun 21 – Jul 14
PeasSow outdoors (spring)Apr 28 – Jun 13
PotatoesPlant outdoors (spring)Apr 28 – Jun 28
OnionsStart seeds indoors (spring)Mar 17 – Apr 13
OnionsTransplant outdoors (spring)May 15 – Jun 13
BroccoliStart seeds indoors (spring)Apr 10 – May 14
BroccoliTransplant outdoors (spring)May 15 – Jun 13
BroccoliStart seeds indoors (fall)May 27 – Jun 6
BroccoliTransplant outdoors (fall)Jun 26 – Jul 7
CabbageStart seeds indoors (spring)Mar 31 – Apr 28
CabbageTransplant outdoors (spring)Apr 28 – May 29
CabbageStart seeds indoors (fall)May 17 – Jun 16
CabbageTransplant outdoors (fall)Jun 16 – Jul 17
Leaf lettuceSow outdoors (spring)Apr 28 – Jul 14
Leaf lettuceSow outdoors (fall)Jun 16 – Aug 2
SpinachSow outdoors (spring)Apr 21 – Jun 4
SpinachSow outdoors (fall)Jul 3 – Aug 7
RadishesSow outdoors (spring)Apr 28 – Jun 18
RadishesSow outdoors (fall)Jun 16 – Aug 17
KaleSow outdoors (spring)May 15 – Jun 4
KaleSow outdoors (fall)Jun 9 – Jul 17
CarrotsSow outdoors (spring)May 29 – Jul 14
CarrotsSow outdoors (fall)May 17 – Jul 2
GarlicPlant outdoors (fall)Sep 16 – Oct 17

Where these dates come from

ZIP code 87312 is matched to the NOAA station Thoreau 12 Se, NM, 21 km away, at 7,425 ft elevation (191 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Thoreau 12 Se, NM (used)7,425 ftMay 29Sep 26
Mcgaffey 5 Se, NM8,000 ftJun 5Sep 25
Gallup Sand & Gravel, NM6,577 ftMay 11Oct 7
El Morro Natl Mon, NM7,223 ftJun 3Sep 27

Frost dates near Continental Divide

Frequently asked questions

When is the last frost in Continental Divide, NM?
For ZIP code 87312, the average last spring frost (32°F) is May 29, based on NOAA 1991-2020 climate normals for the Thoreau 12 Se, NM weather station. There is a 1-in-10 chance of a frost after June 12.
When is the first frost in Continental Divide, NM?
The average first fall frost (32°F) is September 26. There is a 1-in-10 chance of frost by September 13, so tender plants are at risk from that point on.
How long is the growing season in 87312?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 118 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.