FrostDateCheck

Magdalena, NM 87827 Frost Dates

87827, near Magdalena, NM: the frost window

Zone 5b

Around 06/01 is the usual last spring frost, about 277 days away. Fall's first freeze usually shows up around 09/29, roughly 117 days after the last spring frost.

Zone 5b (-15 to -10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Magdalena, not a forecast for this year.

Stretching the season past the first frost

Magdalena's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around Magdalena's last frost

06/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/14 and only about 1 year in 10 sees frost after that.

Magdalena against the rest of the dataset

Magdalena's growing season runs about 117 days, ranking 39,253 of 40,283 US ZIP codes measured here, longest to shortest. Within NM, it ranks 397 of 427.

Learn more

Two guides worth reading on 87827: local microclimates, on what one yard in Magdalena can differ from the 87827 normal, and zone vs. frost date, on why Zone 5b and Magdalena's frost date answer different questions.